Seafoam vs Periwinkle — Difference, Contrast & Harmony

Seafoamnearest vs Periwinklenearest

#A7E6A1 · #BCD3FF

Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 81/100 (triadic) · 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.

Readability1Fail

The quick brown fox jumps over the lazy dog.

Fail1.0:1

Harmony81Triadic

Triadic

105° apart

Distinguishable52Somewhat similar

normal

tritanopia

ΔE 62 (17 under CVD)

Match0Different

ΔE 62 — different

How different are Seafoam and Periwinkle?

Seafoam and Periwinkle are very different (ΔE 62). They have distinctly different hues (105° apart) and their lightness is similar, so they read as two same-weight colours.

Can you read one on the other?

Seafoam text on Periwinkle: 1.04:1 (Fail); Periwinkle text on Seafoam: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #2D6729 clears it.

Common questions

Do Seafoam and Periwinkle go well together?

Triadic — triadic — a recognised, balanced pairing (harmony 81/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.

Is Seafoam readable as text on Periwinkle?

Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #2D6729 clears AA.

What is the colour difference (ΔE) between Seafoam and Periwinkle?

Their CIE76 ΔE is about 62 — very different.

Are Seafoam and Periwinkle the same colour?

clearly different colours (ΔE 62).

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