#CDE2DE · #E8DACE
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 92/100 (split-complementary) · Distinguishable 46/100 (somewhat similar) · Match 71/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
BigSky and Bone are a clear pair (ΔE 13). They have distinctly different hues (141° apart) and their lightness is similar, so they read as two same-weight colours.
BigSky text on Bone: 1.01:1 (Fail); Bone text on BigSky: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #536562 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 92/100). 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 #536562 clears AA.
Their CIE76 ΔE is about 13 — a clear pair.
clearly different colours (ΔE 13).
Explore each color: BigSky #CDE2DE · Bone #E8DACE · Shades: BigSky shades · Bone shades · Contrast checker →