#4DC294 · #A09EF6
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 40/100 (clashing) · Distinguishable 55/100 (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 Blue are very different (ΔE 86). They have distinctly different hues (85° apart) and their lightness is different, giving a clear light/dark split.
Emerald text on Light Blue: 1.09:1 (Fail); Light Blue text on Emerald: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #004630 clears it.
Clashing — awkward hue gap — tends to clash (harmony 40/100). 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 #004630 clears AA.
Their CIE76 ΔE is about 86 — very different.
clearly different colours (ΔE 86).
Explore each color: Emerald #4DC294 · Light Blue #A09EF6 · Shades: Emerald shades · Light Blue shades · Contrast checker →