#85C1C4 · #8CBDD5
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 84/100 (analogous) · Distinguishable 11/100 (hard to tell apart) · Match 72/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Celestine and Sky Blue are a clear pair (ΔE 13). They have closely related hues (17° apart) and their lightness is similar, so they read as two same-weight colours.
Celestine text on Sky Blue: 1.01:1 (Fail); Sky Blue text on Celestine: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #0F5054 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 84/100). 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 #0F5054 clears AA.
Their CIE76 ΔE is about 13 — a clear pair.
clearly different colours (ΔE 13).
Explore each color: Celestine #85C1C4 · Sky Blue #8CBDD5 · Shades: Celestine shades · Sky Blue shades · Contrast checker →