Color Tool
The Color Tool gives you precision control over palettes and color transformations. Every feature works
from your current palette, with each tool interpreting the colors based on its function. You can also
create gradients, extract colors from and enhance images, visualize text, and more.
Color Tiles Toolbar
The color tiles at the top of the tool are the main focus of the entire tool. They represent your entire
palette.
- Remove Color Button: Tap the button to remove the current color from the palette.
If there is only one color, the button is disabled.
- Add Color Button: Tap the button to add a color after the current color in your
palette.
- Color Space Button: Tap the button to change the current color space. There are
many color spaces you can choose from, each with its own special use. See "Color Spaces" below. Note
that each workspace has its own color space. This is because certain workspaces, like the print
color space, use subtractive color spaces, like CMYK, while other workspaces, like the gradient
workspace, use additive color spaces, like RGB, HSL, etc.
- Lighting Condition Button: Tap the button to change the lighting condition. If the
lighting condition is not D65, which represents the color space of your monitor, the tool will
highlight the button to show that the color you see is modified for the chosen lighting conditions.
See "Modifying Lighting" below.
- RGB Space Button: Tap the button to change the RGB space. This is an advanced
feature that applies to monitor calibration for professionals that require precise color
representation. The sRGB space will match your monitor. The tool will highlight the button and show
a circle-slash icon to show that the current RGB space is not sRGB.
- Color Blindness Button: Tap the button to toggle color blindness. You can modify
the color blindness settings in the "Color" group.
Color Spaces
- RGB: Red, Green, and Blue. Common for screens. Fast but not perceptually uniform.
- HSV: Hue, Saturation, and Value. Good for intuitive color adjustments and color
pickers.
- HSL: Hue, Saturation, and Lightness. A variation of HSV with more natural lightness
behavior.
- LMS: Models cone response in human eyes (Long, Medium, Short wavelengths).
- CMY: Cyan, Magenta, and Yellow. Used in printing; subtractive color model.
- CMYK: Adds Black (K) to CMY for richer printed shadows.
- Lab: Lightness and two opponent color axes. Perceptually uniform and well suited
for comparison.
- LCHab: Lab expressed in Lightness, Chroma, and Hue. Easier to adjust perceptually.
- Luv: Another perceptual space, better suited for low-light comparisons.
- LCHuv: Luv expressed in Lightness, Chroma, and Hue format.
- xyY: Chromaticity (x, y) with luminance (Y). Used in colorimetry.
- XYZ: Foundational color space derived from human vision.
- HLab: Hunter Lab. An earlier Lab variant used in food and textiles.
- YUV: Separates brightness from color. Common in video and broadcasting.
Modifying Lighting
Tap the white point on the white point wheel, enter coordinates directly, or choose a preset using the
white point button. Use the degree button to toggle between a 2° foveal and 10° peripheral white
point. To return to the default (D65 2°), tap the "Reset to Default" button. The default white point
does not alter color appearance; it matches your monitor's calibration.
Degrees
Colors appear differently depending on whether you use central (macula) or peripheral vision. The degree
value refers to the field of view used in color measurement.
A 2° white point models perception within a small, focused area, roughly the size of the macula,
making it ideal for precise tasks such as design or color grading. A 10° white point simulates
peripheral vision and is more useful for broader lighting scenarios, such as environmental or ambient
design. Tap the degree button to switch between 2° and 10° modes depending on your needs.
Color Tiles
The color tiles show the color number, RGB hex, and color attribute symbols. The tiles will always show
RGB hexes. The palette workspace will show components for other color spaces.
More Options
Tap the ... button to view more options. You can create a new palette, import and export a palette, copy
all palette CSS values to the clipboard, and even sort the palette.
Gradient Workspace
The gradient workspace lets you create stunning gradients that are more colorful than most gradient
tools can provide due to the advanced color handling of the tool.
Gradient
Drag the circles to change the stops and the diamonds to change the easing location. Directly underneath
the gradient are sliders to control the easing factor, which controls how tightly squashed the easing
is. The button on the bottom left controls which color transition the tool will use (see "Color
Transitions") and the angle knob on the right controls the angle of the gradient.
Twist
If you are using polar gradients, twist sliders will appear, enabling you to control how much to twist
and how deep to twist the gradient.
Scale
You can also scale the gradient by dragging the horizontal and vertical scale sliders. If you have them
linked, they will move together. To choose scaling that ensures the gradient is square, no matter what
the canvas proportions, you can tap the "1:1 AR" button for "one-to-one aspect ratio".
Color Transitions
- HSL Hue (Playful): Energetic, fun transitions using HSL hue angles.
- Linear (Common): Standard RGB-based blending.
- Natural Hue Shift (Artistic): Smooth, expressive transitions using the LCHab color
space.
- Perceptual (Smooth): Smoother transitions based on Lab, adjusted for human
sensitivity.
Resetting the Gradient
When you need to start over, long tap the red reset button to the right of the color transition button
and angle knob to evenly space the stops, reset all easings to 1, and reset the scales. It will not
reset the twists.
Gradient Toolbar
- Gradient Type Buttons: Tap to choose a linear, circular, or polar gradient.
- Bands Field: Sets how many times the gradient will repeat.
- Mirror Toggle: When enabled, reflects the gradient back on itself like a mirror.
- Center Gradient Button: Tap to reset the center point of the gradient to the exact
middle.
- Fit Page Button: Tap to fit the page to the work area.
- Snap to Grid Toggle Button: Tap to toggle snapping to grid.
- Grid Size Field: Sets the size of the grid, in pixels.
- Export Image Button: Tap to export the gradient image to your device.
- Clip Image Button: Tap to copy the gradient image to your clipboard.
- Share Image Button: Tap to help Ahead Sheep get the word out by creating a version
of the gradient for sharing online. Thank you!
- Gradient Size Field: Tap to change the size of the gradient in pixels.
Image Workspace
The image workspace enables you to extract colors and adjust the image.
Color Extraction Group
The color extraction group in the control bar enables you to extract colors from your image.
Dominant Colors
The dominant colors palette bar show the most dominant colors in the image. The most dominant color is
on the left. Tap any of the colors to set your current palette color to that color. An add color button
is provided to the right to make space for the color in the palette.
Filtered Colors
Directly below the dominant colors are the filtered colors. Tap any color to set the current palette
color to that color. Tap the filter button to change the filter. Tap the add color button to make space
for the color in the palette.
Similarity Slider
The similarity slider enables you to adjust how close the colors must be to each other for the tool to
consider them different colors. The more to the right you slide the slider, the less similar the colors
may be.
Image Adjustments
The image adjustments group enables you to modify the image and extracted colors. There are several
modifications you can make to the image, represented by knobs at the top of the group. Long-tap the
"Reset" button at the bottom of the group to reset the adjustments so that there are no modifications
made to the image.
- Saturation: Intensifies colors. At 0%, the image becomes grayscale with perceptual
accuracy based on the Lab color space.
- Vibrance: Boosts muted colors while protecting bright areas such as skin tones.
- Shift Hue: Rotates hues for creative effects.
- Tint: Adjusts the green-magenta balance, similar to a television's tint
control.
- Temperature: Warms or cools the image by shifting between blue and orange tones.
- Color Boost: Applies saturation evenly across all areas to either intensify or
grayscale the image.
- Brightness: Shifts the overall image lighter or darker.
- Exposure: Simulates camera exposure with stronger emphasis on highlights.
- Contrast: Increases or decreases separation between light and dark areas.
- Filmic Curve: Simulates film response, with smooth highlight roll-off and deeper
shadows.
- Gamma: Adjusts midtones without affecting pure black or white points.
- Darken Shadows: Adds depth without crushing midtones or highlights.
- Brighten Highlights: Enhances sparkle without losing detail.
- HDR (High Dynamic Range): Preserves tonal range across shadows and highlights.
- Black Point: Defines the true black threshold for extra contrast and depth.
- White Point: Defines the true white threshold for clarity and visual impact.
- Midtone Balance: Fine-tunes skin tones, skies, and other midrange brightness areas.
- Light Balance: Redistributes brightness across the image without directly altering
contrast.
Image Toolbar
- Import Image Button: Tap to import an image from your device, up to 8K resolution.
- Use Camera Button: Tap to use your camera to take an image.
- Fit View Button: Tap to reset the image so that it fits in the center of the
workspace.
- Export Image Button: Tap to export the image to your device.
- Share Image Button: Tap to help Ahead Sheep get the word out by creating a version
of the image for sharing online. The palette will show at the top, and you can toggle whether the
RGB hex values will show with those colors. Thank you!
Palette Workspace
The palette workspace enables you to see your entire palette or reference palette at once. Tap on any of
the colors to replace the current color.
Palette Toolbar
- Current or Reference Palette Toggle: Tap the current or reference palette toggle to
switch between the current palette or the reference palette. When you use the reference palette,
when changing the current color, the tool will highlight the closest color to your current color
from the reference palette. This is useful for working with large color books.
- Differencing Options: Tap the differencing options (described below) button, which
is directly to the right of the current or reference palette toggle, to change differencing options.
The differencing options controls how the tool searches for close matches to the current color. If
you choose the "Textiles" target for ΔE*94, a fabric icon will show on the left of the button.
- Import Palette Button: Tap the import palette button to import either the current
palette or the reference palette, depending on what you have chosen from the current or reference
palette toggle.
- Share Palette Button: Tap to help Ahead Sheep get the word out by creating a
version of the palette for sharing online. The palette will show at the top, and you can toggle
whether the RGB hex values will show with those colors. Thank you!
Differencing Options
The tool supports several ways to measure color differences. Each method offers a different balance of
accuracy and performance:
- ΔE*ab: Measures color difference in the CIELAB space using lightness,
red-green, and yellow-blue components. Lower values indicate more similar colors.
- ΔE*94: Refines ΔE*ab by improving how humans perceive changes in
lightness, chroma, and hue. Commonly used in industries such as printing.
- ΔE*00: Builds on ΔE*94 with added corrections for neutral tones and
very small differences. It is the most perceptually accurate method and is the default.
- ΔE*CMC: Designed for textiles, this method allows you to control how much
weight is given to lightness versus chroma. Useful when you need precise tolerances.
ΔE*00 Weights in Differencing Options
- ΔE*00 Weights (LCH): Customize how the ΔE*00 algorithm prioritizes
differences in Lightness (L), Chroma (C), and Hue (H). Increasing a weight makes the algorithm more
sensitive to that component of the color.
- ΔE*CMC Weights (LC): Adjust how much lightness and chroma differences matter
in ΔE*CMC calculations. Modify these values to reflect the importance of lightness or chroma
in your workflow.
Print Marks Workspace
The print marks workspace generates printable templates based on your palette. It can save you a lot of
time with your graphical setups.
Print Marks Workspace
Tap the edges of the page to add or remove marks.
- Center Marks: Marks that assist in centering the page or medium for printing and
cutting.
- Color Scale: A stepped gradient representing the current color space.
- Color Boxes: Blocks showing colors and their component values for reference.
Print Marks Toolbar
- Toggle Trim Marks Button: Tap to toggle whether to show trim marks.
- Bleed Marks Button: Tap to toggle whether to show bleed marks.
- Bleed Size Field: Change the value to change the bleed size. If you wish to use a
different unit, simply type the unit at the end. For example, "8 cm.".
- Fit Page Button: Tap to fit the page to the work area.
- Art Size Button: Tap to modify the art size.
- Page Size Button: Tap to modify the page size.
- Color Space: Tap to cycle through the color spaces CMYK, RGB, and CMY. This will
change the color boxes and the colorful center mark.
- Export Artwork Button: Tap to export the artwork as an SVG for importing into other
programs.
Text Workspace
The text workspace enables you to view the current color and next color as foreground text and
background. You can choose which color to focus on by tapping the foreground or background button. You
can also adjust text alignment, font family, and font size.
Text Toolbar
- Foreground Button: Tap to choose the foreground color, which is always the first
color in the palette.
- Background Button: Tap to choose the background color, which is always the second
color in the palette. When there is no second color in the palette, the tool chooses black or white
depending on whether you are in dark or light mode.
- Text Alignment Button: Tap to cycle through the text alignments: justified, left,
center, and right.
- Font Size Field: Controls the font size.
Accessibility Tool
Use the accessibility tool to confirm whether your current and next palette colors meet contrast
guidelines from the Web Content Accessibility
Guidelines v2.2 (WCAG).
The current color acts as either the foreground or background, and the next color serves as the opposite
of what the current color is. Their indices appear in the top-left corner of the tool. If your palette
contains only one color, the background color matches the appropriate color for the current theme. Tap
the foreground or background color to select which color you want to modify using the rest of the tool.
Tap the "High Contrast" toggle to apply stricter standards, using a 7:1 contrast ratio instead of 4.5:1.
The tool displays sample text in different sizes along with contrast values. If the colors fail
accessibility checks, tap the fix center button to automatically adjust either the foreground or
background color to meet the target contrast. The tool first attempts to increase lightness. If that
fails, it darkens the color instead.
Attributes Tool
Use the attributes tool to tag each color with properties that define how it behaves in different print,
material, or environmental contexts. Tap a button to toggle an attribute. Active attributes display with
a blue background.
Color attributes appear as symbols in the color tiles throughout the tool. Some attributes are default
attributes and have no symbol. For example, the tool assumes you are working with paper by default, so
no symbol appears for paper substrates. Attribute symbols display in the top-right corner of each color
tile:
Attributes
- Types
- Process: No symbol. Represents standard process colors used in printing.
- Spot: Solid dot symbol. Used for spot colors.
- Global: Open dot symbol. Affects all instances of the color in the
document.
- Finishes
- Matte: No symbol. Represents a matte finish.
- Gloss: Glossy symbol. Used for gloss finishes.
- Substrates
- Paper: No symbol. Represents paper substrates.
- Fabric: Threads symbol. Used for fabric substrates.
- Plastic: Recycle symbol. Used for plastic substrates.
- Environments
- Indoor: No symbol. Represents indoor environments.
- Outdoor: Sun symbol. Represents outdoor environments.
Color Blindness Tool
The color blindness tool enables you to simulate how colors appear to people with color blindness by
adjusting L', M', and S' cone responses. The adjustments apply throughout the tool except
in the Print Marks tool. Tap the eye toggle to enable or disable the simulation. You can also choose a
preset form of color blindness to start. Available options include:
- Deuteranomaly: The most common form of color blindness. It affects the green cone
(M-cone) response, making greens appear more red. Present in approximately 5% of males, it
represents a mild red-green color deficiency.
- Deuteranopia: A complete absence of the green cone. Individuals with this type
cannot perceive green light, causing confusion between reds, greens, and browns. Less common than
deuteranomaly but still part of the red-green spectrum disorders.
- Protanomaly: Similar to deuteranomaly but affects the red cone (L-cone). Reds
appear duller and shifted toward green. This type is relatively common, though slightly less
prevalent than deuteranomaly.
- Protanopia: A total loss of red cone function. Reds are often indistinguishable
from black or dark gray, and greens and oranges can appear very similar. Affects about 1% of males.
- Tritanomaly: A very rare form of blue-yellow color blindness, where the blue cone
(S-cone) function is reduced. Blues appear greener, and it may be difficult to distinguish yellow
from red or pink.
- Tritanopia: An absence of blue cone function. Individuals with this condition
cannot perceive blue shades properly and often confuse them with green. This type is extremely rare
and is not sex-linked like red-green types.
Color Differencing Tool
The color differencing tool compares your current color with the previously captured color. Two tiles
represent these colors side by side, and the tool displays their component values and difference
metrics. Tap the previous color tile to capture the current color for comparison. Tap the current color
tile to swap them. Tap the settings button to choose which differencing types. If you wish to change the
differencing options, expand the "Differencing Details" group. Refer to the palette workspace for more
details on differencing options.
Color Graph Tool
You can use the color graph tool to choose a color by visualizing two components in a graph and a third
component using a slider. This method works well for every color space except CMYK, which uses four
components. In CMYK mode, the Graph tool defaults to using the HSV graph instead. The axis slider
controls the third axis not shown in the graph. Tap the axis button to the right to cycle through the
axes. Tap the settings button to open graph settings.
All Graph Features (Settings)
You can choose whether to display grid lines and trails by tapping their toggles. Trails provide a
visual trace of how colors change throughout the tool. Trails serve both as a helpful visualization aid
and as an excellent teaching tool.
Chromaticity Graph Type (Settings)
- xy: The classic chromaticity plot.
- uv: Based on the CIE 1960 UCS model.
- u'v': Based on the CIE 1976 UCS model, offering improved visual
uniformity.
Chromaticity Features (Settings)
You can customize which features the chromaticity graph displays. For example, you may choose to view
the full xyY space without clipping it to the locus bounds. The locus line outlines the spectral curve
the tool uses to determine color wavelength. The MacAdam Ellipses show regions where colors appear
identical within the ellipse. The RGB triangle, as mentioned earlier, outlines the gamut for the RGB
color space. The white point dot shows where the RGB color space's white point sits on the graph.
- Locus Bounds Toggle: Toggle between full-spectrum display and human-visible limits
.
- Locus Line Toggle: Show or hide the spectral horseshoe outline.
- MacAdam Ellipses Toggle: Show or hide them based on the graph type.
- RGB Space Triangle Toggle: Toggle the display of the RGB gamut triangle.
- White Point Dot Toggle: Toggle the dot indicating your white point location.
Chromaticity Graph (xyY color space)
In the xyY color space, the graph represents the standard horseshoe-shaped chromaticity diagram. The Y
slider controls luminance. You will see:
- Spectral Loci: The horseshoe curve showing visible wavelengths. Long ticks mark 10°K
increments, and short ticks mark 5°K increments.
- MacAdam Ellipses: Regions where colors appear identical to the human eye. Useful
for RGB space design.
- RGB Triangle: Shows the RGB color space's gamut, representing the range of
colors possible in the space.
- White Point Dot: Shows where your white point sits on the graph.
Color History Tool
The color history tool displays the five most recently used colors. When you change a color, the tool
saves the previous color unless it already exists in the palette. Tap a color tile to quickly return to
that color.
Color Names Tool
The color names tool enables you to view and edit color names and attributes. It is best suited for
editing very large palettes. Colors sort alphabetically by default. To preserve order, prefix names with
numbers (for example, 001, 002).
Tap a color button to select the color as the current color. Tap the edit button to edit the color name,
update its attributes, and correct the ink levels. If the color is out of gamut, a "Correct Ink" toggle
appears. If you enable the toggle, the tool corrects the ink levels when you close the dialog.
Color Search Tool
The color search tool shows the three closest colors to your current color or to a color name you type.
It updates in real time as you interact with the palette or search box. Each result displays as a color
button with the color's name. If the color has no name, the tool shows the RGB hex value instead.
Tap the import button to import a reference palette. This is the same reference palette that the palette
workspace uses when reference palette is enabled. The search also uses the same differencing options the
search workspace uses. To change differencing options, use the search workspace.
When the search field is blank, the tool uses the current palette to find matches. The list updates as
your current color changes. Type part of a color name into the text field to search by name. Searches
are case-insensitive. Tap the "X" button to clear the field.
- ASE (.ase): A format suitable for working with the Adobe® toolset. Discards
color attributes.
- GIMP (.gpl): A format suitable for working with GIMP. Maintains color attributes by
using the comment field.
- JSON (.json): An extendable format that works anywhere that can read or write JSON
objects. Includes all aspects of a palette and palette colors.
- CSS (.css): Extracts color values directly from a Cascading Style Sheet (CSS).
Suitable for web designers who want to build palettes from existing styles. Discards color
attributes and adjusts names to be valid in CSS, such as changing "Some Color" to "--some-color".
Color Temperature Tool
The Temperature tool shows how your current color aligns with the black body curve. The graph includes
tick marks, labels, and the white point dot. You can adjust the temperature slider or enter a value in
Kelvin to warm or cool the color temperature.
The tool uses Robertson's method to estimate color temperature. Accuracy decreases as the selected
point moves farther from the curve.
Color Wavelength Tool
The color wavelength tool enables you to view the wavelength of the current color. The slider represents
the entire visible spectrum of light that your device can reproduce. You can tap the slider to change
the color or enter a wavelength value directly into the text field.
Components Tool
The components tool enables you manually adjust the shade values of the current color. As you enter
values or drag the dial, the color updates in real time.
Conversions Tool
The conversions tool shows how your current color translates across all selected color spaces. The list
updates live as you make changes. To copy values to the clipboard, tap the copy button. This tool also
shows luma, which measures perceived brightness based on the color's weighted RGB values.
Gamut Mapping Tool
The gamut mapping tool shows a button for each color space, indicating whether your color is within its
gamut. Buttons turn red when the color is out of gamut and remain gray when it is in gamut. Tap a red
button to adjust the color so it falls within the gamut for that color space.
Harmony Wheel Tool
The harmony wheel enables you to manage and visualize color harmonies for the first five colors in the
palette. Harmonious hues create pleasing shapes on the wheel, which your eyes naturally find appealing.
The ring behind the wheel displays hues positioned according to the angles of the color wheel. Buttons
for common harmonies surround the center. Tap a button to snap the first colors in the palette to the
harmony pattern. Each button previews the harmony it applies. When you select a harmony that allows
angle adjustment, a degrees knob appears in the center.
Harmonies typically involve two to four colors. This tool also includes the "Pentadic" harmony, which
involves five colors. Starting from the top and moving clockwise:
- Complementary: Two colors positioned opposite each other.
- Triadic: A triangular color arrangement. You can adjust the angle to create
analogous or split-complementary variations.
- Triangle: A triadic harmony set at 120°.
- Compound: A combination of complementary and triadic styles.
- Tetradic: A rectangular or square harmony. You can adjust the angle.
- Square: A tetradic harmony set at 90°.
- Pentadic: Five colors that form a pentagon.
Tap any color and drag it around the wheel to change its hue. The current color displays a stronger
outline, and you can drag the ring behind the color to rotate the entire harmony. If the wheel detects a
match to a known harmony, it draws lines to illustrate the relationship. Use the three sliders to adjust
the saturation and lightness for either the current color or all of the first five colors of the
palette. Tap the link icon to link or unlink whether the slider affects all colors. The wheel works only
with colors that possess chromaticity, meaning colors that are not grayscale. If the current color lacks
chromaticity, the wheel notifies you.
Ink Tool
You can use the Ink tool to measure how much ink each color requires in CMYK or CMY mode. The tool also
considers the Total Ink Level (TIL), which defines the maximum amount of ink your medium can absorb
without bleeding. Tap the "Correct Ink" button to fix overflows or bring colors back into gamut. The
number of canisters (three or four) depends on whether you select CMY or CMYK mode. You can set the TIL
between 1 and 99. A value of 75 is typical for paper.
Monochromatic Tool
The monochromatic tool generates shades of a single color by adjusting only the lightness component. It
keeps hue and saturation constant to create a cohesive palette. You can choose between 2 and 32 shades.
Random Palettes Tool
The random palettes tool enables you to flip through randomly generated palettes based on different
color harmonies. This tool is useful for getting started when creating a new palette. Tap the "Randomize
Base Hue" button to keep generating new palettes until you find one you prefer. You can also manually
adjust the hue, saturation, and lightness using the sliders. When you are ready to copy a random palette
into your current palette, starting at the current color, tap the palette.
RGB Space Tool
The RGB Space tool enables you to you fully customize the RGB color space. You can choose from a
predefined set of color spaces, modify the gamma, change the primaries, select the white point, and copy
the RGB and XYZ matrices as text or code. This is a highly technical tool intended for specialized
cases. If you ever make modifications that cause colors to appear incorrect, choose the sRGB color space
to reset the tool to match your monitor's native RGB space (assuming your monitor is calibrated to
sRGB).
Sliders Tool
The sliders tool provides a slider for each color component. When you tap and slide the thumb indicator,
it shows what the current color will become at that point. If you use the Quantize tool, the sliders
display the quantized colors instead.
Some color spaces, such as Luv, may appear to flip at extreme values. This behavior is normal and
reflects how the color space is represented. Certain spaces, like CMYK, may also cause other sliders to
jump when you make adjustments. In CMYK, the K (key, black) channel remains pinned while you adjust the
others. Some color spaces impose range limitations, and the sliders adapt dynamically as you move them.
You may also notice slight jittering due to numerical precision limits. All of these effects are normal.
Shades (Quantization)
The shades section enables you to quantize the color sliders, splitting them into solid colors. The
number corresponds to the number of shades the sliders are limited to. The circle-slash button turns off
quantization entirely.
YUV Space Tool
The YUV Space tool helps you manage the parameters used by the YUV color space, which is most often used
in video. You can also view the RGB and YUV matrices and copy them as plain text or code for use in your
own applications.
Choosing a YUV Space
- Pro Video YUV: High-quality matrix used in post-production and compositing.
- FCC: Developed for early analog television broadcasts in the United States.
- Rec. 2020: Modern UHD video standard with wide color gamut support.
- Rec. 601: Standard for SDTV, common in older formats and analog workflows.
- Rec. 709: HD video standard used in most digital content today.
- SMPTE 240M: Early HDTV standard, now largely replaced by Rec. 709.
Questions and Answers
Why are the numbers slightly different from other tools?
This tool uses full-precision XYZ values and official standard illuminants, including digits often
rounded off elsewhere. You'll see more decimal places here, and that's a good thing!
Acknowledgements
In alphabetical order:
Special thanks to Mike and Matt Zummo for their UX feedback and design insights during development.
Their time and perspective helped improve both usability and clarity. Mike is also the author of the
D'Mok Revival novels, and both Mike and Matt are creators of the Hoverdome game. If you're looking for
some solid sci-fi, definitely check out both!