ColorLab

About ColorLab

A pocket colour studio: pick, convert, harmonise and check.

• HEX / RGB / HSL / CMYK conversion with live sliders and a native picker
• One-tap copy of any format
• Colour harmonies: complementary, analogous, triadic, tetradic, monochromatic
• 9-step tint and shade ramps for design systems
• WCAG contrast ratios against white and black with AA/AAA verdicts
• Personal palette + recent colours, saved locally

随身调色工作室：HEX/RGB/HSL/CMYK 互转、互补邻近三角四角配色、明暗九阶色阶、WCAG 对比度检测（AA/AAA），支持收藏色板与最近使用，全部离线。