#A5E1C7 · #FAC4AB
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 82/100 (triadic) · Distinguishable 78/100 (easy to tell apart) · Match 7/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Seafoam and Peach are very different (ΔE 42). They have distinctly different hues (135° apart) and their lightness is similar, so they read as two same-weight colours.
Seafoam text on Peach: 1.05:1 (Fail); Peach text on Seafoam: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #29634E clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 82/100). 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 #29634E clears AA.
Their CIE76 ΔE is about 42 — very different.
clearly different colours (ΔE 42).
Explore each color: Seafoam #A5E1C7 · Peach #FAC4AB · Shades: Seafoam shades · Peach shades · Contrast checker →