#0B9B8D · #9475BB
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 58/100 (triadic (soft)) · Distinguishable 74/100 (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.
Dark Cyan and Amethyst are very different (ΔE 70). They have distinctly different hues (92° apart) and their lightness is different, giving a clear light/dark split.
Dark Cyan text on Amethyst: 1.10:1 (Fail); Amethyst text on Dark Cyan: 1.10:1 (Fail). Neither meets AA at body size — nudging one color to #00201C clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 58/100). 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 #00201C clears AA.
Their CIE76 ΔE is about 70 — very different.
clearly different colours (ΔE 70).
Explore each color: Dark Cyan #0B9B8D · Amethyst #9475BB · Shades: Dark Cyan shades · Amethyst shades · Contrast checker →