#4FB261 · #CA76C9
Four independent scores (read the one that fits your goal): Readability 3/100 (fail) · Harmony 94/100 (complementary) · Distinguishable 59/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Sea Green and Orchid are very different (ΔE 111). They have near-opposite hues (170° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Sea Green text on Orchid: 1.13:1 (Fail); Orchid text on Medium Sea Green: 1.13:1 (Fail). Neither meets AA at body size — nudging one color to #00360D clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 94/100). 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 #00360D clears AA.
Their CIE76 ΔE is about 111 — very different.
clearly different colours (ΔE 111).
Explore each color: Medium Sea Green #4FB261 · Orchid #CA76C9 · Shades: Medium Sea Green shades · Orchid shades · Contrast checker →