#B2DDC4 · #EBC3DD
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 98/100 (complementary) · Distinguishable 32/100 (hard to tell apart) · Match 11/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
QuantumEffect and Thistle are very different (ΔE 40). They have near-opposite hues (176° apart) and their lightness is similar, so they read as two same-weight colours.
QuantumEffect text on Thistle: 1.05:1 (Fail); Thistle text on QuantumEffect: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #39604B clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 98/100). 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 #39604B clears AA.
Their CIE76 ΔE is about 40 — very different.
clearly different colours (ΔE 40).
Explore each color: QuantumEffect #B2DDC4 · Thistle #EBC3DD · Shades: QuantumEffect shades · Thistle shades · Contrast checker →