Design language comparison

Anthropic vs Sierra

Two references, one frame. Palette, typography and the curator verdict for Anthropic and Sierra, read side by side.

Palette & spacing overlap

Palette

Shared (1)

#000000

Anthropic only

#141413#b0aea5#faf9f5#87867f#eda100

Sierra only

#e4e0dc#302e2d#716f6c#006838

Spacing scale (px)

Shared (7)

4px8px12px16px24px32px48px

Anthropic only

2px22px28px53px59px

Sierra only

40px44px56px64px80px

Anthropic

ai · Light

anthropic.com

Palette

#141413: _color-theme---button-tertiary--text-hover
#b0aea5: swatch--cloud-medium
#faf9f5: _color-theme---button-secondary--text-hover
#000000: foreground
#87867f: swatch--cloud-dark

Typography

Anthropic SansAnthropic Serif

Sierra

ai · saas · Light

sierra.ai

Palette

#e4e0dc: neutral
#302e2d: foreground
#716f6c: foreground
#000000: foreground
#006838: accent

Typography

gtAmerica

Typography

Display / body / mono + weight ladder

Side A · Light

Anthropic

Display: Anthropic Sans
Body: Anthropic Serif
Mono: Anthropic Mono

Weight ladder

400500600700

Side B · Light

Sierra

Display: gtAmerica
Body: gtAmerica

Weight ladder

400500

Spacing scale

Base unit + container + first 8 steps

Side A · Light

Anthropic

Base unit: 4 px
Container: 1272 px

2px

4px

8px

12px

16px

22px

24px

28px

Side B · Light

Sierra

Base unit: 4 px
Container: 1160 px

4px

8px

12px

16px

24px

32px

40px

44px

Motion vocabulary

Level + libraries + durations + easings

Side A · Light

Anthropic

Level: moderate
Libraries: GSAP

Durations

0.1s0.2s0.3s0.4s0.8s

Easings

easecubic-bezier(0.16, 1, 0.3...cubic-bezier(0.77, 0, 0.1...ease-in

Side B · Light

Sierra

Level: moderate
Libraries: Framer Motion

Durations

0.25s0.5s

Easings

cubic-bezier(0.4, 0, 0.2, 1)ease