# Vik

Canonical URL: https://colorcurio.us/colormaps/crameri.vik
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, dark-extremes
Stops: 256

## Summary

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

Diverging blue-to-red; Crameri ScientificColourMaps.

## Perceptual profile (OKLCh)

- Lightness: 0.246 → 0.293 (range 0.682, min 0.246, max 0.928); non-monotonic; midpoint 0.927
- Chroma: min 0.001, max 0.144, mean 0.093
- Hue: 264.0° → 25.2° (span 238.8°), path monotonic-ccw; quadrants: blue, azure, orange, red
- Endpoint temperature: cool → warm
- Perceptual ΔE: total 159.0, mean/step 0.624, max step 1.009, smoothness 0.835, speed 0.624

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 147.1; preserves order: yes
- Deuteranopia: ΔE total 145.0; preserves order: yes
- Tritanopia: ΔE total 156.8; preserves order: yes

## Related

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