#E4ECDF · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 4/100 (fail) · Harmony 63/100 (triadic (soft)) · Distinguishable 35/100 (hard to tell apart) · Match 77/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
WindowPane and White are a clear pair (ΔE 10). They have distinctly different hues (97° apart) and their lightness is similar, so they read as two same-weight colours.
WindowPane text on White: 1.21:1 (Fail); White text on WindowPane: 1.21:1 (Fail). Neither meets AA at body size — nudging one color to #71796D clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 63/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.2:1, below the 4.5:1 minimum. Nudging one colour to #71796D clears AA.
Their CIE76 ΔE is about 10 — a clear pair.
clearly different colours (ΔE 10).
Explore each color: WindowPane #E4ECDF · White #FFFFFF · Shades: WindowPane shades · White shades · Contrast checker →