Light Sea Green vs Indigo — Difference, Contrast & Harmony

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Comparison sheet

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Light Sea Greennearest vs Indigonearest

#29B19A · #A389D8

Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 52/100 (triadic (soft)) · Distinguishable 61/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.

Readability2Fail

The quick brown fox jumps over the lazy dog.

Fail1.1:1

Harmony52Triadic (soft)

Triadic (soft)

90° apart

Distinguishable61Somewhat similar

normal

protanopia

ΔE 77 (22 under CVD)

Match0Different

ΔE 77 — different

How different are Light Sea Green and Indigo?

Light Sea Green and Indigo are very different (ΔE 77). They have distinctly different hues (90° apart) and their lightness is different, giving a clear light/dark split.

Can you read one on the other?

Light Sea Green text on Indigo: 1.10:1 (Fail); Indigo text on Light Sea Green: 1.10:1 (Fail). Neither meets AA at body size — nudging one color to #00362E clears it.

Common questions

Do Light Sea Green and Indigo go well together?

Triadic (soft) — workable but not a textbook harmony (harmony 52/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.

Is Light Sea Green readable as text on Indigo?

Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #00362E clears AA.

What is the colour difference (ΔE) between Light Sea Green and Indigo?

Their CIE76 ΔE is about 77 — very different.

Are Light Sea Green and Indigo the same colour?

clearly different colours (ΔE 77).

Related comparisons

Explore each color: Light Sea Green #29B19A · Indigo #A389D8 · Shades: Light Sea Green shades · Indigo shades · Contrast checker →

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