#B4DDE7 · #E8CAE1
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 100/100 (triadic) · Distinguishable 54/100 (somewhat similar) · Match 44/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Powder Blue and Thistle are a clear pair (ΔE 26). They have distinctly different hues (122° apart) and their lightness is similar, so they read as two same-weight colours.
Powder Blue text on Thistle: 1.03:1 (Fail); Thistle text on Powder Blue: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #3B6169 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 100/100). 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 #3B6169 clears AA.
Their CIE76 ΔE is about 26 — a clear pair.
clearly different colours (ΔE 26).
Explore each color: Powder Blue #B4DDE7 · Thistle #E8CAE1 · Shades: Powder Blue shades · Thistle shades · Contrast checker →