#CAA0FF · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 22/100 (fail) · Harmony 60/100 (triadic (soft)) · Distinguishable 51/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
HydrangeaPurple and White are very different (ΔE 60). They have distinctly different hues (93° apart) and their lightness is similar, so they read as two same-weight colours.
HydrangeaPurple text on White: 2.10:1 (Fail); White text on HydrangeaPurple: 2.10:1 (Fail). Neither meets AA at body size — nudging one color to #8D63BD clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 60/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 2.1:1, below the 4.5:1 minimum. Nudging one colour to #8D63BD clears AA.
Their CIE76 ΔE is about 60 — very different.
clearly different colours (ΔE 60).
Explore each color: HydrangeaPurple #CAA0FF · White #FFFFFF · Shades: HydrangeaPurple shades · White shades · Contrast checker →