#6BE9F3 · #9EDDFF
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 89/100 (analogous) · Distinguishable 43/100 (somewhat similar) · Match 52/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Cyan and Light Blue are a clear pair (ΔE 22). They have closely related hues (17° apart) and their lightness is similar, so they read as two same-weight colours.
Cyan text on Light Blue: 1.02:1 (Fail); Light Blue text on Cyan: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #00676D clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 89/100). 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 #00676D clears AA.
Their CIE76 ΔE is about 22 — a clear pair.
clearly different colours (ΔE 22).
Explore each color: Cyan #6BE9F3 · Light Blue #9EDDFF · Shades: Cyan shades · Light Blue shades · Contrast checker →