#678A4C · #AF646D
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 73/100 (triadic) · Distinguishable 40/100 (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 Clay are very different (ΔE 59). They have distinctly different hues (101° apart) and their lightness is similar, so they read as two same-weight colours.
Olive Drab text on Clay: 1.09:1 (Fail); Clay text on Olive Drab: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #031000 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 73/100). 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 #031000 clears AA.
Their CIE76 ΔE is about 59 — very different.
clearly different colours (ΔE 59).
Explore each color: Olive Drab #678A4C · Clay #AF646D · Shades: Olive Drab shades · Clay shades · Contrast checker →