Color Format Guide
- HEX — 6-digit hexadecimal code used in HTML/CSS. E.g.
#3b82f6 - RGB — Red, Green, Blue values from 0–255. E.g.
rgb(59, 130, 246) - HSL — Hue (0–360°), Saturation (0–100%), Lightness (0–100%). More intuitive for design. E.g.
hsl(217, 91%, 60%) - RGBA — RGB with Alpha (opacity) channel from 0 (transparent) to 1 (opaque). E.g.
rgba(59, 130, 246, 1)