#A6CCCB · #A9C9D7
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 90/100 (analogous) · Distinguishable 9/100 (hard to tell apart) · Match 81/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Ash and VastSky are very close (ΔE 9). They have closely related hues (20° apart) and their lightness is similar, so they read as two same-weight colours.
Ash text on VastSky: 1.01:1 (Fail); VastSky text on Ash: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #355757 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 90/100). 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 #355757 clears AA.
Their CIE76 ΔE is about 9 — very close.
close but visibly different (ΔE 8.5).
Explore each color: Ash #A6CCCB · VastSky #A9C9D7 · Shades: Ash shades · VastSky shades · Contrast checker →