#02EFFD · #4DF2C9
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 93/100 (analogous) · Distinguishable 47/100 (somewhat similar) · Match 35/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Aqua and Seafoam are a clear pair (ΔE 29). They have closely related hues (18° apart) and their lightness is similar, so they read as two same-weight colours.
Aqua text on Seafoam: 1.01:1 (Fail); Seafoam text on Aqua: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #006A71 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 93/100). 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 #006A71 clears AA.
Their CIE76 ΔE is about 29 — a clear pair.
clearly different colours (ΔE 29).
Explore each color: Aqua #02EFFD · Seafoam #4DF2C9 · Shades: Aqua shades · Seafoam shades · Contrast checker →