#BAE2BB · #C2D5FF
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 70/100 (triadic) · Distinguishable 46/100 (somewhat similar) · Match 3/100 (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 44). They have distinctly different hues (100° apart) and their lightness is similar, so they read as two same-weight colours.
Seafoam text on Periwinkle: 1.03:1 (Fail); Periwinkle text on Seafoam: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #416543 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 70/100). 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 #416543 clears AA.
Their CIE76 ΔE is about 44 — very different.
clearly different colours (ΔE 44).
Explore each color: Seafoam #BAE2BB · Periwinkle #C2D5FF · Shades: Seafoam shades · Periwinkle shades · Contrast checker →