#BCCEDB · #C9CEBB
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 93/100 (triadic) · Distinguishable 43/100 (somewhat similar) · Match 62/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Constellation and Fog are a clear pair (ΔE 17). They have distinctly different hues (129° apart) and their lightness is similar, so they read as two same-weight colours.
Constellation text on Fog: 1.00:1 (Fail); Fog text on Constellation: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #495864 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 93/100). 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 #495864 clears AA.
Their CIE76 ΔE is about 17 — a clear pair.
clearly different colours (ΔE 17).
Explore each color: Constellation #BCCEDB · Fog #C9CEBB · Shades: Constellation shades · Fog shades · Contrast checker →