#5DCA94 · #E790CC
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 90/100 (complementary) · Distinguishable 63/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Aquamarine and Plum are very different (ΔE 92). They have near-opposite hues (168° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Aquamarine text on Plum: 1.12:1 (Fail); Plum text on Medium Aquamarine: 1.12:1 (Fail). Neither meets AA at body size — nudging one color to #004B2E clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 90/100). 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 #004B2E clears AA.
Their CIE76 ΔE is about 92 — very different.
clearly different colours (ΔE 92).
Explore each color: Medium Aquamarine #5DCA94 · Plum #E790CC · Shades: Medium Aquamarine shades · Plum shades · Contrast checker →