#74CED2 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 17/100 (fail) · Harmony 100/100 (complementary) · Distinguishable 79/100 (easy to tell apart) · Match 21/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
SoftTurquoise and White are very different (ΔE 36). They have near-opposite hues (177° apart) and their lightness is different, giving a clear light/dark split.
SoftTurquoise text on White: 1.83:1 (Fail); White text on SoftTurquoise: 1.83:1 (Fail). Neither meets AA at body size — nudging one color to #208388 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 1.8:1, below the 4.5:1 minimum. Nudging one colour to #208388 clears AA.
Their CIE76 ΔE is about 36 — very different.
clearly different colours (ΔE 36).
Explore each color: SoftTurquoise #74CED2 · White #FFFFFF · Shades: SoftTurquoise shades · White shades · Contrast checker →