#AEE0E4 · #E6CBEA
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 88/100 (triadic) · Distinguishable 48/100 (somewhat similar) · Match 33/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Opal and Thistle are very different (ΔE 30). They have distinctly different hues (108° apart) and their lightness is similar, so they read as two same-weight colours.
Opal text on Thistle: 1.03:1 (Fail); Thistle text on Opal: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #346367 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 88/100). 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 #346367 clears AA.
Their CIE76 ΔE is about 30 — very different.
clearly different colours (ΔE 30).
Explore each color: Opal #AEE0E4 · Thistle #E6CBEA · Shades: Opal shades · Thistle shades · Contrast checker →