Anthropic. Quiet ivory surfaces, editorial serif headlines, and a single clay accent that only appears when you must act.
- AI
- Light theme
- 11 colors
- 3 typefaces
Anthropic's interface reads like a curated research publication on warm parchment paper. Ivory and oat neutrals replace the typical cool-gray tech palette, giving every surface a paper-like quality that pairs with a custom serif used at unprecedented scale for both body and display text. A single clay-toned accent surfaces only at moments of action; everything else stays quiet and editorial. Components are flat — hairline borders and selective bottom-corner radii replace shadows as the elevation language, sans-serif handles UI chrome, and the serif carries voice.
Anthropic design system
Brand2
Filled CTA buttons (e.g. cookie consent accept) — the single chromatic accent in the system, a terracotta warmth that belongs to the earth-tone family rather than typical UI blue
Hover/pressed state for Clay CTAs and the canonical accent token — deeper version of the primary accent
Neutrals9
Primary text, headings, footer background, hairline borders — near-black with a hint of warmth, never pure black
Dark-on-dark borders inside the footer
Outlined button borders, mid-contrast dividers
Muted helper text, inactive nav items, secondary labels — the neutral that recedes without disappearing
Hairline borders and dividers between sections — visible but never assertive
Secondary warm surface for grouped panels and feature containers — a deeper paper tone for variety
Featured hero card background — vintage paper tone that signals editorial importance without color shouting
Page canvas and large surface fills — the parchment background that sets the entire warm tone
Card surfaces, elevated panels, skip-link buttons — one step brighter than canvas for subtle layering without shadows
Try a pairing
Pick any two colors from the palette to check whether text stays readable on top.
Aa
Slate Dark on Clay
5.90 : 1 contrast
- Body textPasses AA 4.5
- Large textPasses AA 3
- StrictFails AAA 7
