#A7D8DE · #AED4EB
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 82/100 (analogous) · Distinguishable 9/100 (hard to tell apart) · Match 78/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Crystal and Light Blue are a clear pair (ΔE 10). They have closely related hues (16° apart) and their lightness is similar, so they read as two same-weight colours.
Crystal text on Light Blue: 1.01:1 (Fail); Light Blue text on Crystal: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #315F65 clears it.
Analogous — analogous — 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 #315F65 clears AA.
Their CIE76 ΔE is about 10 — a clear pair.
clearly different colours (ΔE 10).
Explore each color: Crystal #A7D8DE · Light Blue #AED4EB · Shades: Crystal shades · Light Blue shades · Contrast checker →