Category
Color & Accessibility
WCAG Color Contrast Explained: How to Pass AA and AAA (With Real Examples)
WCAG's contrast rules aren't arbitrary — they're a ratio computed from relative luminance. Here's the actual math, the thresholds that matter, and the failures that show up most.
Hex vs RGB vs HSL: Choosing the Right CSS Color Format
Hex, RGB, and HSL can all describe the exact same color — the difference is which one is easiest to read, tweak, and reason about for a given job. Here's how to pick.