# Seaweed

Canonical URL: https://colorcurio.us/colormaps/cmasher.seaweed
Source type: Colormap
Type: diverging
Collection: cmasher
Attribution: Ellert van der Velden — CMasher (10.21105/joss.02004)
License: BSD-3
Source: https://raw.githubusercontent.com/1313e/CMasher/master/src/cmasher/colormaps/seaweed/seaweed_norm.txt
Tags: perceptually-uniform, diverging
Stops: 256

## Summary

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

Green-brown seaweed diverging.

## Perceptual profile (OKLCh)

- Lightness: 0.903 → 0.895 (range 0.878, min 0.025, max 0.903); non-monotonic; midpoint 0.025
- Chroma: min 0.001, max 0.247, mean 0.096
- Hue: 204.2° → 132.9° (span 302.2°), path monotonic-cw; quadrants: cyan, azure, blue, violet, green
- Endpoint temperature: cool → warm
- Perceptual ΔE: total 171.1, mean/step 0.671, max step 1.041, smoothness 0.790, speed 0.671

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 161.0; preserves order: yes
- Deuteranopia: ΔE total 154.1; preserves order: yes
- Tritanopia: ΔE total 155.9; preserves order: yes

## Related

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