Variant: rs1887103 

    present in Gene: PPM1A
    present in Chromosome: 14
    Position on Chromosome: 60276501
    Alleles of this Variant: A/G;T

rs1887103 in PPM1A gene and Hair Color PMID 30531825 2018 Genome-wide study of hair colour in UK Biobank explains most of the SNP heritability.