# YlGn

Canonical URL: https://colorcurio.us/colormaps/colorbrewer.YlGn
Source type: Colormap
Type: sequential
Collection: colorbrewer
Attribution: Cynthia Brewer & Mark Harrower, ColorBrewer 2.0
License: Apache-2.0
Source: https://colorbrewer2.org/
Tags: sequential, colorbrewer, yellow-green, light-start
Stops: 256

## Summary

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

ColorBrewer 2.0 sequential multi-hue 'YlGn' (9-class anchors).

## Perceptual profile (OKLCh)

- Lightness: 0.993 → 0.344 (range 0.649, min 0.344, max 0.993); monotonic; midpoint 0.758
- Chroma: min 0.034, max 0.150, mean 0.111
- Hue: 107.0° → 158.6° (span 51.6°), path monotonic-cw; quadrants: chartreuse, green, mint
- Endpoint temperature: neutral → warm
- Perceptual ΔE: total 76.2, mean/step 0.299, max step 0.442, smoothness 0.753, speed 0.299

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 70.0; preserves order: yes
- Deuteranopia: ΔE total 71.3; preserves order: yes
- Tritanopia: ΔE total 78.7; preserves order: yes

## Related

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