#B4E4C3 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 8/100 (fail) · Harmony 94/100 (split-complementary) · Distinguishable 56/100 (somewhat similar) · Match 38/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Seafoam and White are a clear pair (ΔE 28). They have distinctly different hues (139° apart) and their lightness is similar, so they read as two same-weight colours.
Seafoam text on White: 1.42:1 (Fail); White text on Seafoam: 1.42:1 (Fail). Neither meets AA at body size — nudging one color to #548063 clears it.
Split-complementary — split-complementary — 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 1.4:1, below the 4.5:1 minimum. Nudging one colour to #548063 clears AA.
Their CIE76 ΔE is about 28 — a clear pair.
clearly different colours (ΔE 28).
Explore each color: Seafoam #B4E4C3 · White #FFFFFF · Shades: Seafoam shades · White shades · Contrast checker →