#47C8A0 · #84C271
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 51/100 (analogous (soft)) · Distinguishable 68/100 (somewhat similar) · Match 41/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Aquamarine and Emerald are a clear pair (ΔE 27). They have distinctly different hues (55° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Aquamarine text on Emerald: 1.01:1 (Fail); Emerald text on Medium Aquamarine: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #004F3B clears it.
Analogous (soft) — workable but not a textbook harmony (harmony 51/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #004F3B clears AA.
Their CIE76 ΔE is about 27 — a clear pair.
clearly different colours (ΔE 27).
Explore each color: Medium Aquamarine #47C8A0 · Emerald #84C271 · Shades: Medium Aquamarine shades · Emerald shades · Contrast checker →