Crimson to Vermilion gradient and UI scale

CSS linear-gradient

linear-gradient(135deg in oklch, oklch(0.64 0.13 345), oklch(0.64 0.13 25))

Sandbox

Open Crimson to Vermilion in the blender

Drag the two orbs if you want a different mix. The theme on the homepage follows this pair.

Open sandbox

Sample card

Crimson to Vermilion

PlaySkipLow spaceRemove

WCAG AA 17.27:1

50 to 900 crimson scale

--color-crimson-50: oklch(0.97 0.01 345);
--color-crimson-100: oklch(0.93 0.02 345);
--color-crimson-200: oklch(0.86 0.06 345);
--color-crimson-300: oklch(0.76 0.11 345);
--color-crimson-400: oklch(0.66 0.17 345);
--color-crimson-500: oklch(0.55 0.15 345);
--color-crimson-600: oklch(0.46 0.12 345);
--color-crimson-700: oklch(0.38 0.10 345);
--color-crimson-800: oklch(0.30 0.08 345);
--color-crimson-900: oklch(0.24 0.06 345);

50
oklch(0.97 0.01 345)
100
oklch(0.93 0.02 345)
200
oklch(0.86 0.06 345)
300
oklch(0.76 0.11 345)
400
oklch(0.66 0.17 345)
500
oklch(0.55 0.15 345)
600
oklch(0.46 0.12 345)
700
oklch(0.38 0.10 345)
800
oklch(0.30 0.08 345)
900
oklch(0.24 0.06 345)

How Crimson to Vermilion is built

Hue distance

Crimson to Vermilion stays with neighboring hues, 40° from Crimson to Vermilion.

Contrast

Text on the page background measures 17.3:1. The same text on the card surface measures 15.4:1. Both clear the WCAG AA line of 4.5:1.

Using the scale

Paint the hero with the Crimson to Vermilion gradient, then use the Crimson scale for controls and the neutral tokens for cards.