# NCL precip 15lev

Canonical URL: https://colorcurio.us/colormaps/ncar.precip2_15lev
Source type: Colormap
Type: sequential
Collection: ncar
Attribution: NCL/NCAR — UCAR (via hhuangwx/cmaps MIT wrapper)
License: MIT (wrapper) / public-domain (data)
Source: https://raw.githubusercontent.com/hhuangwx/cmaps/master/cmaps/colormaps/ncar_ncl/precip2_15lev.rgb
Tags: cartographic, climate
Stops: 256

## Summary

NCL precip 15lev is a sequential colormap from the ncar collection. Inspect its perceptual lightness, chroma, and hue profile on colorcurio.us.

NCL precipitation magnitude ramp.

## Perceptual profile (OKLCh)

- Lightness: 1.000 → 0.578 (range 0.647, min 0.353, max 1.000); non-monotonic; midpoint 0.797
- Chroma: min 0.000, max 0.288, mean 0.203
- Hue: 0.0° → 30.5° (span 329.5°), path monotonic-ccw; quadrants: magenta, violet, blue, azure, cyan, mint, green, chartreuse, yellow, orange
- Endpoint temperature: null → warm
- Perceptual ΔE: total 315.3, mean/step 1.237, max step 5.076, smoothness 0.200, speed 1.000

## Colorblind safety (ΔE under simulated CVD)

- Protanopia: ΔE total 251.1; preserves order: no
- Deuteranopia: ΔE total 251.2; preserves order: no
- Tritanopia: ΔE total 298.5; preserves order: no

## Related

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