# Lisbon

Canonical URL: https://colorcurio.us/colormaps/crameri.lisbon
Source type: Colormap
Type: diverging
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: scientific, perceptually-uniform, blue-yellow
Stops: 256

## Summary

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

Diverging. Sourced from ScientificColourMaps8/lisbon/lisbon.txt.

## Perceptual profile (OKLCh)

- Lightness: 0.931 → 0.990 (range 0.783, min 0.208, max 0.990); non-monotonic; midpoint 0.209
- Chroma: min 0.003, max 0.086, mean 0.054
- Hue: 285.9° → 107.3° (span 186.4°), path folded; quadrants: violet, blue, chartreuse
- Endpoint temperature: cool → neutral
- Perceptual ΔE: total 155.1, mean/step 0.608, max step 0.780, smoothness 0.864, speed 0.608

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 154.2; preserves order: yes
- Deuteranopia: ΔE total 156.5; preserves order: yes
- Tritanopia: ΔE total 157.7; preserves order: yes

## Related

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