#CADDFA · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 8/100 (fail) · Harmony 96/100 (split-complementary) · Distinguishable 48/100 (somewhat similar) · Match 55/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Gainsboro and White are a clear pair (ΔE 20). They have distinctly different hues (144° apart) and their lightness is similar, so they read as two same-weight colours.
Gainsboro text on White: 1.38:1 (Fail); White text on Gainsboro: 1.38:1 (Fail). Neither meets AA at body size — nudging one color to #677791 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 96/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.4:1, below the 4.5:1 minimum. Nudging one colour to #677791 clears AA.
Their CIE76 ΔE is about 20 — a clear pair.
clearly different colours (ΔE 20).
Explore each color: Gainsboro #CADDFA · White #FFFFFF · Shades: Gainsboro shades · White shades · Contrast checker →