#428F63 · #6D8841
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 33/100 (clashing) · Distinguishable 61/100 (somewhat similar) · Match 51/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Sea Green and Olive Drab are a clear pair (ΔE 22). They have distinctly different hues (63° apart) and their lightness is similar, so they read as two same-weight colours.
Sea Green text on Olive Drab: 1.02:1 (Fail); Olive Drab text on Sea Green: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #001B0A clears it.
Clashing — awkward hue gap — tends to clash (harmony 33/100). 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 #001B0A clears AA.
Their CIE76 ΔE is about 22 — a clear pair.
clearly different colours (ΔE 22).
Explore each color: Sea Green #428F63 · Olive Drab #6D8841 · Shades: Sea Green shades · Olive Drab shades · Contrast checker →