Variant: rs750192 

    present in Gene: LOC112268121;EDNRB-AS1
    present in Chromosome: 13
    Position on Chromosome: 77816608
    Alleles of this Variant: A/G;T

rs750192 in LOC112268121;EDNRB-AS1 gene and Hair Color PMID 30531825 2018 Genome-wide study of hair colour in UK Biobank explains most of the SNP heritability.