#5AD2AF · #F7A270
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 91/100 (split-complementary) · Distinguishable 100/100 (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 Aquamarine and CopperRiver are very different (ΔE 75). They have distinctly different hues (140° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Aquamarine text on CopperRiver: 1.09:1 (Fail); CopperRiver text on Medium Aquamarine: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #005240 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 91/100). 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 #005240 clears AA.
Their CIE76 ΔE is about 75 — very different.
clearly different colours (ΔE 75).
Explore each color: Medium Aquamarine #5AD2AF · CopperRiver #F7A270 · Shades: Medium Aquamarine shades · CopperRiver shades · Contrast checker →