#66CD8D · #A2C35E
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 32/100 (clashing) · Distinguishable 74/100 (easy to tell apart) · Match 35/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Emerald and Lime are a clear pair (ΔE 29). They have distinctly different hues (63° apart) and their lightness is similar, so they read as two same-weight colours.
Emerald text on Lime: 1.02:1 (Fail); Lime text on Emerald: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #00542C clears it.
Clashing — awkward hue gap — tends to clash (harmony 32/100). 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 #00542C clears AA.
Their CIE76 ΔE is about 29 — a clear pair.
clearly different colours (ΔE 29).
Explore each color: Emerald #66CD8D · Lime #A2C35E · Shades: Emerald shades · Lime shades · Contrast checker →