#ECF8F4 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 90/100 (split-complementary) · Distinguishable 20/100 (hard to tell apart) · Match 87/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
White Smoke and White are very close (ΔE 6). They have near-opposite hues (160° apart) and their lightness is similar, so they read as two same-weight colours.
White Smoke text on White: 1.09:1 (Fail); White text on White Smoke: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #6E7976 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 90/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #6E7976 clears AA.
Their CIE76 ΔE is about 6 — very close.
close but visibly different (ΔE 5.8).
Explore each color: White Smoke #ECF8F4 · White #FFFFFF · Shades: White Smoke shades · White shades · Contrast checker →