#BCE2BA · #ECC7F0
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 99/100 (complementary) · Distinguishable 38/100 (hard 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.
Seafoam and Periwinkle are very different (ΔE 51). They have near-opposite hues (177° apart) and their lightness is similar, so they read as two same-weight colours.
Seafoam text on Periwinkle: 1.05:1 (Fail); Periwinkle text on Seafoam: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #426341 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 99/100). 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 #426341 clears AA.
Their CIE76 ΔE is about 51 — very different.
clearly different colours (ΔE 51).
Explore each color: Seafoam #BCE2BA · Periwinkle #ECC7F0 · Shades: Seafoam shades · Periwinkle shades · Contrast checker →