#638B00 · #9460C1
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 85/100 (split-complementary) · Distinguishable 82/100 (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.
Olive Drab and Amethyst are very different (ΔE 122). They have near-opposite hues (165° apart) and their lightness is different, giving a clear light/dark split.
Olive Drab text on Amethyst: 1.11:1 (Fail); Amethyst text on Olive Drab: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #020900 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 85/100). 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 #020900 clears AA.
Their CIE76 ΔE is about 122 — very different.
clearly different colours (ΔE 122).
Explore each color: Olive Drab #638B00 · Amethyst #9460C1 · Shades: Olive Drab shades · Amethyst shades · Contrast checker →