# RdYlGn

Canonical URL: https://colorcurio.us/colormaps/colorbrewer.RdYlGn
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, red-yellow-green
Stops: 256

## Summary

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

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

## Perceptual profile (OKLCh)

- Lightness: 0.456 → 0.454 (range 0.530, min 0.454, max 0.984); non-monotonic; midpoint 0.984
- Chroma: min 0.082, max 0.204, mean 0.142
- Hue: 20.8° → 153.9° (span 133.1°), path monotonic-cw; quadrants: red, orange, yellow, chartreuse, green, mint
- Endpoint temperature: warm → warm
- Perceptual ΔE: total 134.0, mean/step 0.526, max step 0.832, smoothness 0.733, speed 0.526

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 116.4; preserves order: yes
- Deuteranopia: ΔE total 107.2; preserves order: yes
- Tritanopia: ΔE total 133.9; preserves order: yes

## Related

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