Ramp Lab

Accessible OKLCH colour scales, gamut-safe.

Open Ramp Lab

ToolSmall1 of 1 milestonesShipped 8 Nov 2026

How it's built

• OKLCH ramps with sRGB gamut mapping
• Contrast matrix with AA and AAA badges
• Exports CSS variables, JSON and Tailwind theme
• Live light and dark preview card

Build accessible colour scales in OKLCH: gamut-safe ramps, a WCAG contrast matrix, light/dark preview and CSS/Tailwind/JSON export.

• colour
• oklch
• accessibility
• design-systems