#D6DCD7 · #D8DAE1
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 62/100 (triadic (soft)) · Distinguishable 8/100 (hard to tell apart) · Match 86/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
IcedSlate and Gainsboro are very close (ΔE 6). They have distinctly different hues (97° apart) and their lightness is similar, so they read as two same-weight colours.
IcedSlate text on Gainsboro: 1.00:1 (Fail); Gainsboro text on IcedSlate: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #5C615D clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 62/100). 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 #5C615D clears AA.
Their CIE76 ΔE is about 6 — very close.
close but visibly different (ΔE 6.5).
Explore each color: IcedSlate #D6DCD7 · Gainsboro #D8DAE1 · Shades: IcedSlate shades · Gainsboro shades · Contrast checker →