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GYB

GYB

4-color palette · Cool · Mixed · Complementary harmony

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GYB

4-color palette · Cool temperature · Mixed tone · Complementary harmony

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Vibrant 4 colors Cool Mixed Complementary space fun vivid rgb
Likes 5
Colors 4

CSS variables

:root {
  --c-vibrant-1: #FFFF00;
  --c-vibrant-2: #00FF00;
  --c-vibrant-3: #0000FF;
  --c-vibrant-4: #000000;
}

About this palette

This 4-color vibrant palette runs from Yellow (#FFFF00) as its lightest tone to Black (#000000) as its darkest. It blends Yellow, Green, Blue and Black into a single set you can drop straight into a UI. Of its 6 color pairings, 4 meet the WCAG AA contrast threshold (4.5:1) for body text — the strongest is #FFFF00 on #000000 at 19.56:1.

A versatile palette suitable for marketing pages, product hero blocks, illustrations, and accent UI states.

Color breakdown

Yellow #FFFF00
RGB
rgb(255, 255, 0)
HSL
hsl(60, 100%, 50%)
Luminance
0.928
Green #00FF00
RGB
rgb(0, 255, 0)
HSL
hsl(120, 100%, 50%)
Luminance
0.715
Blue #0000FF
RGB
rgb(0, 0, 255)
HSL
hsl(240, 100%, 50%)
Luminance
0.072
Black #000000
RGB
rgb(0, 0, 0)
HSL
hsl(0, 0%, 0%)
Luminance
0.000

Contrast & accessibility

4 of 6 color pairings meet the WCAG AA contrast threshold (4.5:1) for body text.

Aa #FFFF00 on #000000 19.56:1 AAA
Aa #00FF00 on #000000 15.30:1 AAA
Aa #FFFF00 on #0000FF 8.00:1 AAA
Aa #00FF00 on #0000FF 6.26:1 AA
Aa #0000FF on #000000 2.44:1 Fail
Aa #FFFF00 on #00FF00 1.28:1 Fail

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