Colorwheel

Summary

Colorwheel is a cyclic colormap from colorcet. Lightness spans 0.45–0.92, hue sweeps 359° from magenta to violet, and order breaks under protan, deutan, and tritan simulation.

Perceptual profile (OKLCh)

• Lightness: 0.712 → 0.708 (range 0.469, min 0.453, max 0.922); non-monotonic; midpoint 0.659
• Chroma: min 0.062, max 0.279, mean 0.193
• Hue: 327.1° → 326.4° (span 359.2°), path monotonic-cw; quadrants: magenta, rose, red, orange, yellow, chartreuse, green, mint, cyan, azure, blue, violet
• Endpoint temperature: cool → cool
• Perceptual ΔE: total 218.7, mean/step 0.858, max step 2.594, smoothness 0.389, speed 0.858

Colorblind safety (ΔE under simulated CVD)

• Protanopia: ΔE total 178.2; preserves order: no
• Deuteranopia: ΔE total 186.4; preserves order: no
• Tritanopia: ΔE total 169.7; preserves order: no

Related

• Family: colorcet
• Source: Kovesi 2015 — "Good Colour Maps: How to Design Them" (arXiv:1509.03700)
• Similar cyclic maps: CB-cyclic, CB-tritan cyclic, CET-C1, Cyclic BGRMB, Cyclic grey, Cyclic MRYBM, Cyclic MYBM, Cyclic RYGCBMR
• All colormaps