#87C674 · #FA8F92
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 94/100 (triadic) · Distinguishable 60/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Emerald and Light Coral are very different (ΔE 79). They have distinctly different hues (108° apart) and their lightness is similar, so they read as two same-weight colours.
Emerald text on Light Coral: 1.10:1 (Fail); Light Coral text on Emerald: 1.10:1 (Fail). Neither meets AA at body size — nudging one color to #174C00 clears it.
Triadic — triadic — 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 #174C00 clears AA.
Their CIE76 ΔE is about 79 — very different.
clearly different colours (ΔE 79).
Explore each color: Emerald #87C674 · Light Coral #FA8F92 · Shades: Emerald shades · Light Coral shades · Contrast checker →