#30652F · #873D3B
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 99/100 (triadic) · Distinguishable 61/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Olive Green and Chestnut are very different (ΔE 62). They have distinctly different hues (117° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Olive Green text on Chestnut: 1.10:1 (Fail); Chestnut text on Dark Olive Green: 1.10:1 (Fail). Neither meets AA at body size — nudging one color to #9DD69A clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 99/100). 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 #9DD69A clears AA.
Their CIE76 ΔE is about 62 — very different.
clearly different colours (ΔE 62).
Explore each color: Dark Olive Green #30652F · Chestnut #873D3B · Shades: Dark Olive Green shades · Chestnut shades · Contrast checker →