# BrBG

Canonical URL: https://colorcurio.us/colormaps/colorbrewer.BrBG
Source type: Colormap
Type: diverging
Collection: colorbrewer
Attribution: Cynthia Brewer & Mark Harrower, ColorBrewer 2.0
License: Apache-2.0
Source: https://colorbrewer2.org/
Tags: diverging, colorbrewer, brown-bluegreen
Stops: 256

## Summary

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

ColorBrewer 2.0 diverging 'BrBG' (11-class anchors).

## Perceptual profile (OKLCh)

- Lightness: 0.347 → 0.318 (range 0.652, min 0.318, max 0.969); non-monotonic; midpoint 0.969
- Chroma: min 0.001, max 0.123, mean 0.073
- Hue: 64.0° → 174.2° (span 124.9°), path folded; quadrants: yellow, cyan, mint
- Endpoint temperature: warm → warm
- Perceptual ΔE: total 152.2, mean/step 0.597, max step 0.808, smoothness 0.826, speed 0.597

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 135.6; preserves order: yes
- Deuteranopia: ΔE total 136.7; preserves order: yes
- Tritanopia: ΔE total 149.8; preserves order: yes

## Related

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