# Amber

Canonical URL: https://colorcurio.us/colormaps/cmasher.amber
Source type: Colormap
Type: sequential
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/amber/amber_norm.txt
Tags: perceptually-uniform, sequential
Stops: 256

## Summary

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

Black→amber, dark-bg sequential.

## Perceptual profile (OKLCh)

- Lightness: 0.000 → 0.944 (range 0.944, min 0.000, max 0.944); monotonic; midpoint 0.522
- Chroma: min 0.000, max 0.172, mean 0.106
- Hue: 0.0° → 106.6° (span 106.6°), path monotonic-cw; quadrants: red, orange, yellow, chartreuse
- Endpoint temperature: null → warm
- Perceptual ΔE: total 105.8, mean/step 0.415, max step 0.667, smoothness 0.805, speed 0.415

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 83.0; preserves order: yes
- Deuteranopia: ΔE total 82.0; preserves order: yes
- Tritanopia: ΔE total 97.6; preserves order: yes

## Related

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