#CDD8DE · #D7D7CC
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 92/100 (split-complementary) · Distinguishable 28/100 (hard to tell apart) · Match 79/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Gray and Fog are very close (ΔE 10). They have distinctly different hues (141° apart) and their lightness is similar, so they read as two same-weight colours.
Light Gray text on Fog: 1.00:1 (Fail); Fog text on Light Gray: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #565F64 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 92/100). 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 #565F64 clears AA.
Their CIE76 ΔE is about 10 — very close.
close but visibly different (ΔE 9.7).
Explore each color: Light Gray #CDD8DE · Fog #D7D7CC · Shades: Light Gray shades · Fog shades · Contrast checker →