#B5CDD7 · #D7C1CD
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 92/100 (triadic) · Distinguishable 46/100 (somewhat similar) · Match 64/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
LightTopazSoftBlue and Thistle are a clear pair (ΔE 16). They have distinctly different hues (130° apart) and their lightness is similar, so they read as two same-weight colours.
LightTopazSoftBlue text on Thistle: 1.02:1 (Fail); Thistle text on LightTopazSoftBlue: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #41575F clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 92/100). 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 #41575F clears AA.
Their CIE76 ΔE is about 16 — a clear pair.
clearly different colours (ΔE 16).
Explore each color: LightTopazSoftBlue #B5CDD7 · Thistle #D7C1CD · Shades: LightTopazSoftBlue shades · Thistle shades · Contrast checker →