# Reds

Canonical URL: https://colorcurio.us/colormaps/colorbrewer.Reds
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, single-hue, red, single-hue, light-start
Stops: 256

## Summary

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

ColorBrewer 2.0 single-hue sequential 'Reds' (9-class anchors).

## Perceptual profile (OKLCh)

- Lightness: 0.977 → 0.324 (range 0.653, min 0.324, max 0.977); monotonic; midpoint 0.700
- Chroma: min 0.013, max 0.218, mean 0.140
- Hue: 48.6° → 24.2° (span 24.4°), path monotonic-ccw; quadrants: orange, red
- Endpoint temperature: warm → warm
- Perceptual ΔE: total 79.3, mean/step 0.311, max step 0.421, smoothness 0.832, speed 0.311

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 73.8; preserves order: yes
- Deuteranopia: ΔE total 71.3; preserves order: yes
- Tritanopia: ΔE total 82.8; preserves order: yes

## Related

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