Files

1.7 KiB

Excalidraw Color Palette

Use these colors consistently across diagrams.

Primary Colors (for strokes, arrows, and accents)

Name Hex Use
Blue #4a9eed Primary actions, links, data series 1
Amber #f59e0b Warnings, highlights, data series 2
Green #22c55e Success, positive, data series 3
Red #ef4444 Errors, negative, data series 4
Purple #8b5cf6 Accents, special items, data series 5
Pink #ec4899 Decorative, data series 6
Cyan #06b6d4 Info, secondary, data series 7
Lime #84cc16 Extra, data series 8

Pastel Fills (for shape backgrounds)

Color Hex Good For
Light Blue #a5d8ff Input, sources, primary nodes
Light Green #b2f2bb Success, output, completed
Light Orange #ffd8a8 Warning, pending, external
Light Purple #d0bfff Processing, middleware, special
Light Red #ffc9c9 Error, critical, alerts
Light Yellow #fff3bf Notes, decisions, planning
Light Teal #c3fae8 Storage, data, memory
Light Pink #eebefa Analytics, metrics

Background Zones (use with opacity: 30-35 for layered diagrams)

Color Hex Good For
Blue zone #dbe4ff UI / frontend layer
Purple zone #e5dbff Logic / agent layer
Green zone #d3f9d8 Data / tool layer

Text Contrast Rules

  • On white backgrounds: minimum text color is #757575. Default #1e1e1e is best.
  • Colored text on light fills: use dark variants (#15803d not #22c55e, #2563eb not #4a9eed)
  • White text: only on dark backgrounds (#9a5030 not #c4795b)
  • Never: light gray (#b0b0b0, #999) on white -- unreadable