# Set3

Canonical URL: https://colorcurio.us/colormaps/colorbrewer.Set3
Source type: Colormap
Type: categorical
Collection: colorbrewer
Attribution: Cynthia Brewer & Mark Harrower, ColorBrewer 2.0
License: Apache-2.0
Source: https://colorbrewer2.org/
Tags: categorical, colorbrewer, pastel
Stops: 12

## Summary

Set3 is a categorical colormap from the colorbrewer collection. Inspect its perceptual lightness, chroma, and hue profile on colorcurio.us.

ColorBrewer 2.0 qualitative 'Set3' (12-class palette).

## Perceptual profile (OKLCh)

- Lightness: 0.817 → 0.937 (range 0.301, min 0.681, max 0.983); non-monotonic; midpoint 0.823
- Chroma: min 0.000, max 0.153, mean 0.092
- Hue: 182.5° → 101.3° (span 360.0°), path folded; quadrants: cyan, chartreuse, violet, red, azure, yellow, green, rose, magenta
- Endpoint temperature: cool → warm
- Perceptual ΔE: total 384.7, mean/step 34.970, max step 52.177, smoothness 0.689, speed 1.000

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 294.4; preserves order: no
- Deuteranopia: ΔE total 288.7; preserves order: no
- Tritanopia: ΔE total 367.3; preserves order: no

## Related

- Family: https://colorcurio.us/colormaps/families/colorbrewer
- All colormaps: https://colorcurio.us/colormaps