# Autumn

Canonical URL: https://colorcurio.us/colormaps/vispy.autumn
Source type: Colormap
Type: sequential
Collection: vispy
Attribution: vispy 0.x, vispy/color/colormap.py
License: BSD-3-Clause
Source: https://vispy.org/api/vispy.color.colormap.html
Tags: MATLAB-derived, red-yellow, saturated
Stops: 256

## Summary

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

vispy preset 'autumn' (red→yellow).

## Perceptual profile (OKLCh)

- Lightness: 0.628 → 0.968 (range 0.340, min 0.628, max 0.968); monotonic; midpoint 0.797
- Chroma: min 0.176, max 0.258, mean 0.199
- Hue: 29.2° → 109.8° (span 80.5°), path monotonic-cw; quadrants: red, orange, yellow, chartreuse
- Endpoint temperature: warm → warm
- Perceptual ΔE: total 63.4, mean/step 0.249, max step 0.269, smoothness 0.936, speed 0.249

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 47.2; preserves order: yes
- Deuteranopia: ΔE total 29.3; preserves order: yes
- Tritanopia: ΔE total 60.2; preserves order: yes

## Related

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