#A66E2F · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 57/100 (aa large) · Harmony 100/100 (analogous) · Distinguishable 100/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Copper and White are very different (ΔE 67). They have distinctly different hues (32° apart) and their lightness is different, giving a clear light/dark split.
Copper text on White: 4.29:1 (AA Large); White text on Copper: 4.29:1 (AA Large). Neither meets AA at body size — nudging one color to #A26A2B clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 4.3:1, below the 4.5:1 minimum. Nudging one colour to #A26A2B clears AA.
Their CIE76 ΔE is about 67 — very different.
clearly different colours (ΔE 67).
Explore each color: Copper #A66E2F · White #FFFFFF · Shades: Copper shades · White shades · Contrast checker →