#588D41 · #9A64AC
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 100/100 (complementary) · Distinguishable 57/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Basil and Amethyst are very different (ΔE 93). They have near-opposite hues (177° apart) and their lightness is similar, so they read as two same-weight colours.
Basil text on Amethyst: 1.11:1 (Fail); Amethyst text on Basil: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #000E00 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 100/100). 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 #000E00 clears AA.
Their CIE76 ΔE is about 93 — very different.
clearly different colours (ΔE 93).
Explore each color: Basil #588D41 · Amethyst #9A64AC · Shades: Basil shades · Amethyst shades · Contrast checker →