#648A1E · #BE536C
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 64/100 (triadic (soft)) · Distinguishable 50/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Olive Drab and Indian Red are very different (ΔE 86). They have distinctly different hues (95° apart) and their lightness is different, giving a clear light/dark split.
Olive Drab text on Indian Red: 1.12:1 (Fail); Indian Red text on Olive Drab: 1.12:1 (Fail). Neither meets AA at body size — nudging one color to #FEFFFC clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 64/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #FEFFFC clears AA.
Their CIE76 ΔE is about 86 — very different.
clearly different colours (ΔE 86).
Explore each color: Olive Drab #648A1E · Indian Red #BE536C · Shades: Olive Drab shades · Indian Red shades · Contrast checker →