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Baby hair color calculator

Choose the mother's and the father's natural hair color to see the odds for your baby's hair.

Your baby's odds

  • Black86%
  • Brown8%
  • Blonde3%
  • Red3%

Rough odds from a simple genetic model. Hair color depends on many genes, so a surprise is always possible.

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Every combination at a glance

ParentsBlackBrownBlondeRed
Black + Black86%8%3%3%
Black + Brown65%28%4%3%
Black + Blonde65%16%16%3%
Black + Red56%21%7%17%
Brown + Brown0%91%6%3%
Brown + Blonde0%73%24%3%
Brown + Red0%73%10%17%
Blonde + Blonde0%0%97%3%
Blonde + Red0%42%42%17%
Red + Red0%0%0%100%

How the calculator works

Darker hair usually wins over lighter hair: black over brown, brown over blonde. Red works differently: a baby gets red hair only from a red-hair gene passed on by both parents.

Parents can carry genes they do not show. That is why two dark-haired parents can still have a blonde or red-haired baby.

What it cannot tell you

Many genes shape hair color, and the parents' hidden genes cannot be seen. Treat the numbers as odds, not a prediction.

Baby hair often changes in the first years, and blonde toddlers often get darker as they grow. Curious about the whole face? What will my baby look like?

Questions

Can two dark-haired parents have a blonde baby?

Yes. If both parents carry a hidden gene for lighter hair, the baby can be blonde even though neither parent is.

Can two parents without red hair have a red-haired baby?

Yes. If both parents carry the red-hair gene without showing it, about 1 baby in 4 of such parents gets red hair.

Will my baby's hair color change?

Often, yes. Many babies lose their first hair, and hair can darken during childhood as pigment builds up.