Light Blue vs Fog — Difference, Contrast & Harmony

Light Bluenearest vs Fognearest

#BCD9E9 · #D4D7BB

Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 82/100 (triadic) · Distinguishable 55/100 (somewhat similar) · Match 46/100 (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

Harmony82Triadic

Triadic

135° apart

Distinguishable55Somewhat similar

normal

tritanopia

ΔE 25 (19 under CVD)

Match46Different

ΔE 25 — different

How different are Light Blue and Fog?

Light Blue and Fog are a clear pair (ΔE 25). They have distinctly different hues (135° apart) and their lightness is similar, so they read as two same-weight colours.

Can you read one on the other?

Light Blue text on Fog: 1.00:1 (Fail); Fog text on Light Blue: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #46606E clears it.

Common questions

Do Light Blue and Fog go well together?

Triadic — triadic — a recognised, balanced pairing (harmony 82/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.

Is Light Blue 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 #46606E clears AA.

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

Their CIE76 ΔE is about 25 — a clear pair.

Are Light Blue and Fog the same colour?

clearly different colours (ΔE 25).

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