d3

All 5 d3 colormaps (3 categorical, 1 cyclic, and 1 sequential) with side-by-side OKLCh diagnostics for lightness, chroma, hue, and colorblind safety.

• Category 10: categorical. Its colors span lightness 0.51–0.77 and chroma 0.00–0.21.
• Observable 10: categorical. Its colors span lightness 0.55–0.80 and chroma 0.01–0.21.
• Sinebow: cyclic. Lightness spans 0.51–0.87, hue sweeps 360° from red to rose, and order breaks under protan, deutan, and tritan simulation.
• Tableau 10: categorical. Its colors span lightness 0.56–0.84 and chroma 0.01–0.17.
• Turbo: sequential. Lightness spans 0.22–0.89, hue sweeps 326° from magenta to orange, and order breaks under protan, deutan, and tritan simulation.