#B5D8DC · #DEC8DE
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 97/100 (triadic) · Distinguishable 42/100 (somewhat similar) · Match 51/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Blue and Thistle are a clear pair (ΔE 22). They have distinctly different hues (114° apart) and their lightness is similar, so they read as two same-weight colours.
Light Blue text on Thistle: 1.03:1 (Fail); Thistle text on Light Blue: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #3E5E62 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 97/100). 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 #3E5E62 clears AA.
Their CIE76 ΔE is about 22 — a clear pair.
clearly different colours (ΔE 22).
Explore each color: Light Blue #B5D8DC · Thistle #DEC8DE · Shades: Light Blue shades · Thistle shades · Contrast checker →