#C6DFD2 · #D4D6ED
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 38/100 (clashing) · Distinguishable 16/100 (hard to tell apart) · Match 54/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Gainsboro and Gainsboro are a clear pair (ΔE 21). They have distinctly different hues (86° apart) and their lightness is similar, so they read as two same-weight colours.
Gainsboro text on Gainsboro: 1.02:1 (Fail); Gainsboro text on Gainsboro: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #4D6358 clears it.
Clashing — awkward hue gap — tends to clash (harmony 38/100). 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 #4D6358 clears AA.
Their CIE76 ΔE is about 21 — a clear pair.
clearly different colours (ΔE 21).
Explore each color: Gainsboro #C6DFD2 · Gainsboro #D4D6ED · Shades: Gainsboro shades · Gainsboro shades · Contrast checker →