Fun Tools
Baby Eye Color Predictor
Curious what color eyes your baby might have? Select both parents' eye colors for a fun prediction based on genetics.
Pick your colors
Select each parent's eye color
Eye color is determined by multiple genes and is more complex than simple dominant-recessive inheritance. This tool provides simplified estimates for fun.
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Common Questions
- When do babies' eyes change color?
- Most babies are born with blue or gray eyes because melanin production hasn't fully started. Eye color typically begins changing between 3-6 months and usually settles into its permanent color by 9-12 months. Some children's eye color continues to shift subtly until age 3.
- Can two blue-eyed parents have a brown-eyed baby?
- It's rare but possible. Eye color is determined by multiple genes, not just one, so unexpected combinations can occur. The traditional single-gene model (where brown is dominant) is oversimplified. Modern genetics recognizes at least 16 genes that influence eye color.
- What determines a baby's eye color?
- Eye color is determined by the amount and distribution of melanin in the iris, controlled by multiple genes — primarily OCA2 and HERC2 on chromosome 15. More melanin produces brown eyes, less produces blue or green. Genetics from both parents and sometimes grandparents play a role.
For educational purposes only — not a substitute for professional medical advice. Always consult your pediatrician with questions about your child's health.