Color Tools Guides
Pick colors, build palettes, convert HEX/RGB/HSL & check contrast.
HEX vs RGB vs HSL: Color Formats Explained for Designers
What HEX, RGB, HSL and CMYK actually mean, how to convert between them, and which to reach for in CSS and design work.
How to Choose a Color Palette for Your Website or Brand
A practical method for building a balanced color palette using color theory, the 60-30-10 rule, and accessibility checks.
WCAG Color Contrast: How to Make Text Readable & Accessible
What the WCAG contrast ratios mean, the AA and AAA thresholds, and how to fix text that fails — so everyone can read your site.