#B7C9E2 · #C5C4E1
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 99/100 (analogous) · Distinguishable 19/100 (hard to tell apart) · Match 85/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
LightBlueGrey and Thistle are very close (ΔE 7). They have distinctly different hues (27° apart) and their lightness is similar, so they read as two same-weight colours.
LightBlueGrey text on Thistle: 1.01:1 (Fail); Thistle text on LightBlueGrey: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #45546A clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 99/100). 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 #45546A clears AA.
Their CIE76 ΔE is about 7 — very close.
close but visibly different (ΔE 6.9).
Explore each color: LightBlueGrey #B7C9E2 · Thistle #C5C4E1 · Shades: LightBlueGrey shades · Thistle shades · Contrast checker →