#CECAE1 · #D8C7DA
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 83/100 (analogous) · Distinguishable 20/100 (hard to tell apart) · Match 89/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Opus and Thistle are very close (ΔE 5). They have distinctly different hues (43° apart) and their lightness is similar, so they read as two same-weight colours.
Opus text on Thistle: 1.00:1 (Fail); Thistle text on Opus: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #585468 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 83/100). 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 #585468 clears AA.
Their CIE76 ΔE is about 5 — very close.
close but visibly different (ΔE 5.1).
Explore each color: Opus #CECAE1 · Thistle #D8C7DA · Shades: Opus shades · Thistle shades · Contrast checker →