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Build a UI kit

Pick an accessible palette, generate card CSS, drop in placeholder content, and write share metadata for a new page.

Step 1 of 4

Pick the palette

Convert your brand colors between HEX, RGB, and HSL, then run each text-on-background pair through the contrast checker. Don't lock in a shade until it clears WCAG AA — 4.5:1 for body text, 3:1 for large text.