#9963AC · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 59/100 (aa large) · Harmony 24/100 (clashing) · Distinguishable 84/100 (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.
Amethyst and White are very different (ΔE 68). They have distinctly different hues (76° apart) and their lightness is different, giving a clear light/dark split.
Amethyst text on White: 4.44:1 (AA Large); White text on Amethyst: 4.44:1 (AA Large). Neither meets AA at body size — nudging one color to #9862AA clears it.
Clashing — awkward hue gap — tends to clash (harmony 24/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 4.4:1, below the 4.5:1 minimum. Nudging one colour to #9862AA clears AA.
Their CIE76 ΔE is about 68 — very different.
clearly different colours (ΔE 68).
Explore each color: Amethyst #9963AC · White #FFFFFF · Shades: Amethyst shades · White shades · Contrast checker →