#3AC392 · #EF8A5C
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 96/100 (split-complementary) · Distinguishable 100/100 (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.
Emerald and Coral are very different (ΔE 87). They have distinctly different hues (140° apart) and their lightness is similar, so they read as two same-weight colours.
Emerald text on Coral: 1.11:1 (Fail); Coral text on Emerald: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #00442F clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 96/100). 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 #00442F clears AA.
Their CIE76 ΔE is about 87 — very different.
clearly different colours (ΔE 87).
Explore each color: Emerald #3AC392 · Coral #EF8A5C · Shades: Emerald shades · Coral shades · Contrast checker →