#D0D9E3 · #E3D4D5
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 97/100 (split-complementary) · Distinguishable 39/100 (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.
Gainsboro and Gainsboro are very close (ΔE 10). They have distinctly different hues (144° apart) and their lightness is similar, so they read as two same-weight colours.
Gainsboro text on Gainsboro: 1.00:1 (Fail); Gainsboro text on Gainsboro: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #585F68 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 97/100). 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 #585F68 clears AA.
Their CIE76 ΔE is about 10 — very close.
close but visibly different (ΔE 9.8).
Explore each color: Gainsboro #D0D9E3 · Gainsboro #E3D4D5 · Shades: Gainsboro shades · Gainsboro shades · Contrast checker →