[OC] Two-thirds of America’s 26,597 paint colors are duplicates — I compared every brand’s palette with the color-difference standard paint factories use

Data: the PaintColorHQ database — 26,597 paint colors across 13 brands (12 decorative paint brands + the RAL classic standard), snapshot July 2026. Color values come from each brand's published palette data. Method: CIEDE2000 (ΔE 2000) color difference computed across cross-brand pairs. I counted a color as "duplicated" when another brand sells a twin under [...]