Design language comparison

Anthropic vs Arc

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

Palette & spacing overlap

Palette

Shared (1)

#000000

Anthropic only

#141413#b0aea5#faf9f5#87867f#eda100

Arc only

#3139fb#fffcec#ffffff#696969#210784#ff9999

Spacing scale (px)

Shared (7)

4px8px12px16px24px32px48px

Anthropic only

2px22px28px53px59px

Arc only

6px10px20px58px128px

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

Arc

developer tools · productivity · Light

arc.net

Palette

#3139fb: brand
#000000: foreground
#fffcec: background
#ffffff: background
#696969: foreground

Typography

Marlin Soft SQMarlin

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

Arc

Display: Marlin Soft SQ
Body: Marlin
Mono: ABC Favorit Mono

Weight ladder

500700

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

Arc

Base unit: 4 px
Container: 1440 px

4px

6px

8px

10px

12px

16px

20px

24px

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

Arc

Level: subtle
Libraries: -

Durations

0.1s0.15s0.2s

Easings

easeease-outease-in-out