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Design language comparison

Cal.com vs Spline

Two references, one frame. Palette, typography and the curator verdict for Cal.com and Spline, read side by side.

Palette & spacing overlap

Palette

Shared (2)

#000000#ffffff

Cal.com only

#242424#898989#0000ee#e0e0e0#e5e7eb#374151#9ca3af#7826b1#e9ddfd#882c2f#d85b5f#f8d7d8#d6ecfe

Spline only

#191a1d#888888#569cd6#0062ff#ce9178#6a9955#3ddc84

Spacing scale (px)

Shared (9)

2px4px6px8px10px12px16px20px24px

Cal.com only

28px32px40px

Spline only

14px18px30px

Typography

Display / body / mono + weight ladder

Side A · Light

Cal.com

Display
Cal Sans UI Variable Light
Body
sans-serif

Weight ladder

300

Side B · Dark

Spline

Display
Spline Sans
Body
ui-monospace
Mono
ui-monospace

Weight ladder

400500

Spacing scale

Base unit + container + first 8 steps

Side A · Light

Cal.com

Base unit
4 px
Container
1280 px
2px
4px
6px
8px
10px
12px
16px
20px

Side B · Dark

Spline

Base unit
4 px
Container
652 px
2px
4px
6px
8px
10px
12px
14px
16px

Motion vocabulary

Level + libraries + durations + easings

Side A · Light

Cal.com

Level
moderate
Libraries
Framer Motion

Durations

0.2s

Easings

ease-outease

Side B · Dark

Spline

Level
expressive
Libraries
-

Durations

0.2s100s

Easings

easeease-outease-in-outlinear