#578B47 · #818021
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 75/100 (analogous) · Distinguishable 69/100 (somewhat similar) · Match 42/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Sea Green and Olive are a clear pair (ΔE 26). They have distinctly different hues (47° apart) and their lightness is similar, so they read as two same-weight colours.
Sea Green text on Olive: 1.03:1 (Fail); Olive text on Sea Green: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #001600 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 75/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #001600 clears AA.
Their CIE76 ΔE is about 26 — a clear pair.
clearly different colours (ΔE 26).
Explore each color: Sea Green #578B47 · Olive #818021 · Shades: Sea Green shades · Olive shades · Contrast checker →