Category 10

Summary

Category 10 is a 10-color categorical colormap from d3. Its colors span lightness 0.51–0.77 and chroma 0.00–0.21.

D3 classic default qualitative palette.

Perceptual profile (OKLCh)

• Lightness: 0.549 → 0.733 (range 0.262, min 0.511, max 0.773); non-monotonic; midpoint 0.596
• Chroma: min 0.000, max 0.209, mean 0.135
• Hue: 244.6° → 206.4° (span 321.8°), path folded; quadrants: blue, orange, green, red, magenta, rose, chartreuse, cyan
• Endpoint temperature: cool → cool
• Perceptual ΔE: total 380.1, mean/step 42.236, max step 71.828, smoothness 0.670, speed 1.000

Colorblind safety (ΔE under simulated CVD)

• Protanopia: ΔE total 288.6; preserves order: no
• Deuteranopia: ΔE total 295.6; preserves order: no
• Tritanopia: ΔE total 344.5; preserves order: no

Related

• Family: d3
• Source: d3-scale-chromatic (Mike Bostock and contributors)
• Similar categorical maps: Observable 10, Tableau 10
• All colormaps