#B4D8CC · #CFCAE8
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 46/100 (triadic (soft)) · Distinguishable 21/100 (hard to tell apart) · Match 41/100 (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 27). They have distinctly different hues (90° 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 #3E5E54 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 46/100). 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 #3E5E54 clears AA.
Their CIE76 ΔE is about 27 — a clear pair.
clearly different colours (ΔE 27).
Explore each color: Powder Blue #B4D8CC · Thistle #CFCAE8 · Shades: Powder Blue shades · Thistle shades · Contrast checker →