#2CD3CB · #D2A1F7
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 69/100 (triadic (soft)) · Distinguishable 82/100 (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.
Medium Turquoise and Plum are very different (ΔE 81). They have distinctly different hues (97° apart) and their lightness is different, giving a clear light/dark split.
Medium Turquoise text on Plum: 1.11:1 (Fail); Plum text on Medium Turquoise: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #00504D clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 69/100). 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 #00504D clears AA.
Their CIE76 ΔE is about 81 — very different.
clearly different colours (ΔE 81).
Explore each color: Medium Turquoise #2CD3CB · Plum #D2A1F7 · Shades: Medium Turquoise shades · Plum shades · Contrast checker →