#CADAED · #D0DDC8
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 98/100 (triadic) · Distinguishable 41/100 (somewhat similar) · Match 54/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Gainsboro and Bone are a clear pair (ΔE 21). They have distinctly different hues (115° apart) and their lightness is similar, so they read as two same-weight colours.
Gainsboro text on Bone: 1.01:1 (Fail); Bone text on Gainsboro: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #536071 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 98/100). 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 #536071 clears AA.
Their CIE76 ΔE is about 21 — a clear pair.
clearly different colours (ΔE 21).
Explore each color: Gainsboro #CADAED · Bone #D0DDC8 · Shades: Gainsboro shades · Bone shades · Contrast checker →