iColorPalette
iColorPalette/Tools/Contrast Grid
Tool

Contrast Grid.

N×N WCAG ratio matrix across a palette.

Contrast Grid

An N×N matrix showing WCAG contrast ratios between every pair of colors in your scheme. Essential for building accessible design systems.

Scheme:
6366f1
f16366
66f163
FFFFFF
000000
6366f1
—
Aa1.4Fail
Aa3.0AA Large
Aa4.5AA Large
Aa4.7AA
f16366
Aa1.4Fail
—
Aa2.1Fail
Aa3.1AA Large
Aa6.7AA
66f163
Aa3.0AA Large
Aa2.1Fail
—
Aa1.5Fail
Aa14.3AAA
FFFFFF
Aa4.5AA Large
Aa3.1AA Large
Aa1.5Fail
—
Aa21.0AAA
000000
Aa4.7AA
Aa6.7AA
Aa14.3AAA
Aa21.0AAA
—
4/10 pairs pass AA4.5:1 minimum for normal text
See also
Take this color further
NextContrast CheckerWCAG 2.1 contrast audit for any foreground / background pair.NextColor MixerBlend any two colors with an adjustable ratio.
How this works

Renders an N×N matrix of WCAG ratios so you can spot accessibility gaps across every pair in a palette at once.

Live preview

This pane reflects the tool's current color — swap presets or type in the workspace to watch it update.

Swatch

#6366F1rgb(99, 102, 241)

Formats

Buttons

PrimaryOutlineGhost

Typography

The color is the content.Links pick this up cleanly, and captions stay legible against neutrals.

Gradient

Badges

AlphaBetaGA

Live preview

This pane reflects the tool's current color — swap presets or type in the workspace to watch it update.

Swatch

#6366F1rgb(99, 102, 241)

Formats

Buttons

PrimaryOutlineGhost

Typography

The color is the content.Links pick this up cleanly, and captions stay legible against neutrals.

Gradient

Badges

AlphaBetaGA
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