#2AB198 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 34/100 (fail) · Harmony 92/100 (complementary) · Distinguishable 92/100 (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.
Light Sea Green and White are very different (ΔE 54). They have near-opposite hues (169° apart) and their lightness is different, giving a clear light/dark split.
Light Sea Green text on White: 2.68:1 (Fail); White text on Light Sea Green: 2.68:1 (Fail). Neither meets AA at body size — nudging one color to #008672 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 92/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 2.7:1, below the 4.5:1 minimum. Nudging one colour to #008672 clears AA.
Their CIE76 ΔE is about 54 — very different.
clearly different colours (ΔE 54).
Explore each color: Light Sea Green #2AB198 · White #FFFFFF · Shades: Light Sea Green shades · White shades · Contrast checker →