#67CB9A · #9AC370
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 37/100 (clashing) · Distinguishable 66/100 (somewhat similar) · Match 45/100 (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 25). They have distinctly different hues (61° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Aquamarine text on Dark Sea Green: 1.02:1 (Fail); Dark Sea Green text on Medium Aquamarine: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #005335 clears it.
Clashing — awkward hue gap — tends to clash (harmony 37/100). 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 #005335 clears AA.
Their CIE76 ΔE is about 25 — a clear pair.
clearly different colours (ΔE 25).
Explore each color: Medium Aquamarine #67CB9A · Dark Sea Green #9AC370 · Shades: Medium Aquamarine shades · Dark Sea Green shades · Contrast checker →