#C5D4CE · #DBCDC6
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 82/100 (split-complementary) · Distinguishable 36/100 (hard to tell apart) · Match 77/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
CelticGrey and Fog are a clear pair (ΔE 11). They have distinctly different hues (136° apart) and their lightness is similar, so they read as two same-weight colours.
CelticGrey text on Fog: 1.01:1 (Fail); Fog text on CelticGrey: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #4F5C57 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 82/100). 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 #4F5C57 clears AA.
Their CIE76 ΔE is about 11 — a clear pair.
clearly different colours (ΔE 11).
Explore each color: CelticGrey #C5D4CE · Fog #DBCDC6 · Shades: CelticGrey shades · Fog shades · Contrast checker →