# Batlow

Canonical URL: https://colorcurio.us/colormaps/crameri.batlow
Source type: Colormap
Type: sequential
Collection: crameri
Attribution: Crameri 2018, Scientific Colour Maps (https://www.fabiocrameri.ch/colourmaps/)
License: CC-BY-4.0
Source: https://www.fabiocrameri.ch/colourmaps/
Tags: perceptually-uniform, dark-start, scientific
Stops: 256

## Summary

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

Sourced from ScientificColourMaps8/batlow/batlow.txt.

## Perceptual profile (OKLCh)

- Lightness: 0.251 → 0.899 (range 0.649, min 0.251, max 0.899); monotonic; midpoint 0.588
- Chroma: min 0.062, max 0.123, mean 0.091
- Hue: 263.0° → 326.2° (span 296.8°), path monotonic-ccw; quadrants: blue, azure, cyan, mint, green, chartreuse, yellow, orange, red, rose, magenta
- Endpoint temperature: cool → cool
- Perceptual ΔE: total 140.9, mean/step 0.552, max step 0.582, smoothness 0.984, speed 0.552

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 113.3; preserves order: yes
- Deuteranopia: ΔE total 116.2; preserves order: yes
- Tritanopia: ΔE total 103.5; preserves order: yes

## Related

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