Here's a full file for the current hair colors:

<colors>
    <color id="0" name="Light Red" value="#8c4b41,da9041,ffffff"/>
    <color id="1" name="Green" value="#06372b,489e25,fdedcc"/>
    <color id="2" name="Red" value="#5f0b33,91191c,f9ad81"/>
    <color id="3" name="Purple" value="#602486,934cc3,fdc689"/>
    <color id="4" name="Gray" value="#805e74,c6b09b,ffffff"/>
    <color id="5" name="Yellow" value="#8c6625,dab425,ffffff"/>
    <color id="6" name="Blue" value="#1d2d6d,1594a3,fdedcc"/>
    <color id="7" name="Brown" value="#831f2d,be4f2d,f8cc8b"/>
    <color id="8" name="Light Blue" value="#432482,584bbc,dae8e5"/>
    <color id="9" name="Dark Purple" value="#460850,611967,e7b4ae"/>
</colors>