#ECF8F4 · #F5F3FD
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 51/100 (triadic (soft)) · Distinguishable 6/100 (hard to tell apart) · Match 81/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
White Smoke and Alice Blue are very close (ΔE 9). They have distinctly different hues (92° apart) and their lightness is similar, so they read as two same-weight colours.
White Smoke text on Alice Blue: 1.01:1 (Fail); Alice Blue text on White Smoke: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #68726F clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 51/100). 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 #68726F clears AA.
Their CIE76 ΔE is about 9 — very close.
close but visibly different (ΔE 8.8).
Explore each color: White Smoke #ECF8F4 · Alice Blue #F5F3FD · Shades: White Smoke shades · Alice Blue shades · Contrast checker →