#04EFFD · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 8/100 (fail) · Harmony 100/100 (complementary) · Distinguishable 90/100 (easy 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.
Aqua and White are very different (ΔE 48). They have near-opposite hues (177° apart) and their lightness is different, giving a clear light/dark split.
Aqua text on White: 1.42:1 (Fail); White text on Aqua: 1.42:1 (Fail). Neither meets AA at body size — nudging one color to #00838C clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 100/100). 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 #00838C clears AA.
Their CIE76 ΔE is about 48 — very different.
clearly different colours (ΔE 48).
Explore each color: Aqua #04EFFD · White #FFFFFF · Shades: Aqua shades · White shades · Contrast checker →