British Shorthair Color Calculator

Same free calculator as the home page. Dilute (dd) is recessive — two dense parents can still produce blue or lilac if both carry d.

Pick genotypes for each parent. Carrier options (e.g. Dd, Aa, Bb) matter — two dense carriers can still produce dilute kittens.

Sire (Father)

Dam (Mother)

Kitten outcomes

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Note: British Shorthair dilute genetics simplified with the 4-gene model (B, A, O, D).

Common British Shorthair Colors

Exploring the hallmark "Self Blue" and refined Lilac varieties that define the breed's iconic plush appearance.

A portrait of a regal British Shorthair cat with iconic blue-grey fur and brilliant copper eyes. The cat sits against a soft, creamy background that highlights its thick, plush coat. The lighting is soft and diffused, emphasizing the velvety texture of the 'Self Blue' fur. This is a high-end photography shot with a shallow depth of field, embodying the warm minimalism of the brand.

Self Blue (Grey)

The most famous variant, known for its deep, solid blue-grey coat and striking copper eyes. This color is technically a dilution of black.

Key Trait
Uniform tone from root to tip.
Pale cream-silver British Shorthair type cat with large golden-green eyes.

Lilac & Cream Shades

Softer pastel dilute tones — lilac from chocolate+dilute, cream from orange+dilute. Warm, dove-like coats prized in the breed.

Genetic Marker
Chocolate (b/b) + Dilute (d/d), or Orange + Dilute.
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Genetics of the British Blue

The iconic "Blue" color is a recessive trait. To produce a Blue kitten, both parents must either be Blue themselves or carry the dilute gene (Dd). If both parents are "Self Blue" (dd), they can only produce dilute kittens (Blue, Lilac, Cream).

D
Non-Dilute
d
Dilute
B
Black
b
Chocolate

British Shorthair Example Outcomes

Blue × Blue
100% Blue
Black × Blue
50% Black, 50% Blue
Lilac × Lilac
100% Lilac
Blue × Lilac
Various Mix
Chocolate × Blue
50% Black / Carriers
Cream × Blue
Blue-Cream Females
White × Blue
Blue/White Bicolors
Tabby × Blue
Solid & Patterned

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