#EFEFEF · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 3/100 (fail) · Harmony 100/100 (monochrome) · Distinguishable 22/100 (hard to tell apart) · Match 88/100 (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 closely related hues (0° apart) and their lightness is similar, so they read as two same-weight colours.
White Smoke text on White: 1.15:1 (Fail); White text on White Smoke: 1.15:1 (Fail). Neither meets AA at body size — nudging one color to #767676 clears it.
Monochrome — monochrome — a recognised, balanced pairing (harmony 100/100). 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 #767676 clears AA.
Their CIE76 ΔE is about 6 — very close.
close but visibly different (ΔE 5.6).
Explore each color: White Smoke #EFEFEF · White #FFFFFF · Shades: White Smoke shades · White shades · Contrast checker →