Variant: rs55901013 

    present in Gene: BCAS1
    present in Chromosome: 20
    Position on Chromosome: 54026254
    Alleles of this Variant: C/G;T

rs55901013 in BCAS1 gene and Hair Color PMID 30531825 2018 Genome-wide study of hair colour in UK Biobank explains most of the SNP heritability.