# Tokyo

Canonical URL: https://colorcurio.us/colormaps/crameri.tokyo
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: scientific, perceptually-uniform, purple-green
Stops: 256

## Summary

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

Sourced from ScientificColourMaps8/tokyo/tokyo.txt.

## Perceptual profile (OKLCh)

- Lightness: 0.208 → 0.973 (range 0.765, min 0.208, max 0.973); monotonic; midpoint 0.538
- Chroma: min 0.031, max 0.126, mean 0.072
- Hue: 296.4° → 125.7° (span 199.7°), path monotonic-cw; quadrants: violet, magenta, rose, red, orange, yellow, chartreuse, green
- Endpoint temperature: cool → neutral
- Perceptual ΔE: total 109.0, mean/step 0.428, max step 0.450, smoothness 0.990, speed 0.428

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 90.8; preserves order: yes
- Deuteranopia: ΔE total 86.5; preserves order: yes
- Tritanopia: ΔE total 107.7; preserves order: yes

## Related

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