#2CB39A · #A38BDC
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 49/100 (triadic (soft)) · Distinguishable 57/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Sea Green and Light Indigo are very different (ΔE 79). They have distinctly different hues (89° apart) and their lightness is different, giving a clear light/dark split.
Light Sea Green text on Light Indigo: 1.10:1 (Fail); Light Indigo text on Light Sea Green: 1.10:1 (Fail). Neither meets AA at body size — nudging one color to #00382F clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 49/100). 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 #00382F clears AA.
Their CIE76 ΔE is about 79 — very different.
clearly different colours (ΔE 79).
Explore each color: Light Sea Green #2CB39A · Light Indigo #A38BDC · Shades: Light Sea Green shades · Light Indigo shades · Contrast checker →