Variant: rs1695300 

    present in Gene: GRM7
    present in Chromosome: 3
    Position on Chromosome: 7677274
    Alleles of this Variant: A/C

rs1695300 in GRM7 gene and Hair Color PMID 30531825 2018 Genome-wide study of hair colour in UK Biobank explains most of the SNP heritability.