#10A451 · #657FEC
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 23/100 (clashing) · Distinguishable 70/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Jade and Blue are very different (ΔE 119). They have distinctly different hues (82° apart) and their lightness is different, giving a clear light/dark split.
Jade text on Blue: 1.11:1 (Fail); Blue text on Jade: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #00260C clears it.
Clashing — awkward hue gap — tends to clash (harmony 23/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #00260C clears AA.
Their CIE76 ΔE is about 119 — very different.
clearly different colours (ΔE 119).
Explore each color: Jade #10A451 · Blue #657FEC · Shades: Jade shades · Blue shades · Contrast checker →