#00A447 · #E84839
Four independent scores (read the one that fits your goal): Readability 4/100 (fail) · Harmony 98/100 (split-complementary) · Distinguishable 100/100 (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 Red are very different (ΔE 117). They have distinctly different hues (141° apart) and their lightness is different, giving a clear light/dark split.
Jade text on Red: 1.18:1 (Fail); Red text on Jade: 1.18:1 (Fail). Neither meets AA at body size — nudging one color to #001F05 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 98/100). 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 #001F05 clears AA.
Their CIE76 ΔE is about 117 — very different.
clearly different colours (ΔE 117).
Explore each color: Jade #00A447 · Red #E84839 · Shades: Jade shades · Red shades · Contrast checker →