#04B4A2 · #AA88DB
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 53/100 (triadic (soft)) · Distinguishable 77/100 (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.
Light Sea Green and Indigo are very different (ΔE 80). They have distinctly different hues (91° apart) and their lightness is different, giving a clear light/dark split.
Light Sea Green text on Indigo: 1.11:1 (Fail); Indigo text on Light Sea Green: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #003832 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 53/100). 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 #003832 clears AA.
Their CIE76 ΔE is about 80 — very different.
clearly different colours (ΔE 80).
Explore each color: Light Sea Green #04B4A2 · Indigo #AA88DB · Shades: Light Sea Green shades · Indigo shades · Contrast checker →