#B4E0E7 · #E9CCE7
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 99/100 (triadic) · Distinguishable 49/100 (somewhat similar) · Match 39/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
QuenchBlue and Thistle are a clear pair (ΔE 28). They have distinctly different hues (116° apart) and their lightness is similar, so they read as two same-weight colours.
QuenchBlue text on Thistle: 1.04:1 (Fail); Thistle text on QuenchBlue: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #3A6269 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 99/100). 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 #3A6269 clears AA.
Their CIE76 ΔE is about 28 — a clear pair.
clearly different colours (ΔE 28).
Explore each color: QuenchBlue #B4E0E7 · Thistle #E9CCE7 · Shades: QuenchBlue shades · Thistle shades · Contrast checker →