#4DC6A3 · #AEA0F4
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 46/100 (triadic (soft)) · Distinguishable 52/100 (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 Light Indigo are very different (ΔE 81). They have distinctly different hues (87° apart) and their lightness is different, giving a clear light/dark split.
Medium Aquamarine text on Light Indigo: 1.09:1 (Fail); Light Indigo text on Medium Aquamarine: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #004938 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 46/100). 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 #004938 clears AA.
Their CIE76 ΔE is about 81 — very different.
clearly different colours (ΔE 81).
Explore each color: Medium Aquamarine #4DC6A3 · Light Indigo #AEA0F4 · Shades: Medium Aquamarine shades · Light Indigo shades · Contrast checker →