#55CBB6 · #7FC88E
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 95/100 (analogous) · Distinguishable 55/100 (somewhat similar) · Match 52/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Aquamarine and Dark Sea Green are a clear pair (ΔE 22). They have distinctly different hues (37° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Aquamarine text on Dark Sea Green: 1.00:1 (Fail); Dark Sea Green text on Medium Aquamarine: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #005348 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 95/100). 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 #005348 clears AA.
Their CIE76 ΔE is about 22 — a clear pair.
clearly different colours (ΔE 22).
Explore each color: Medium Aquamarine #55CBB6 · Dark Sea Green #7FC88E · Shades: Medium Aquamarine shades · Dark Sea Green shades · Contrast checker →