Periwinkle vs Fog — Difference, Contrast & Harmony

Periwinklenearest vs Fognearest

#BAD2F9 · #BCDBB6

Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 86/100 (triadic) · Distinguishable 50/100 (somewhat similar) · Match 11/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.

Readability0Fail

The quick brown fox jumps over the lazy dog.

Fail1.0:1

Harmony86Triadic

Triadic

107° apart

Distinguishable50Somewhat similar

normal

tritanopia

ΔE 41 (16 under CVD)

Match11Different

ΔE 41 — different

How different are Periwinkle and Fog?

Periwinkle and Fog are very different (ΔE 41). They have distinctly different hues (107° apart) and their lightness is similar, so they read as two same-weight colours.

Can you read one on the other?

Periwinkle text on Fog: 1.02:1 (Fail); Fog text on Periwinkle: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #475C7D clears it.

Common questions

Do Periwinkle and Fog go well together?

Triadic — triadic — a recognised, balanced pairing (harmony 86/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.

Is Periwinkle readable as text on Fog?

Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #475C7D clears AA.

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

Their CIE76 ΔE is about 41 — very different.

Are Periwinkle and Fog the same colour?

clearly different colours (ΔE 41).

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