Something in a hue that would allow them to blend into the summertime
better to leave them white,, if u dye them,, they will absorb more heat,, especially during summer time,and become exhausted. ,, the whiter they are,, the better
, but anyway,, yeah, henna is the best,, it is a type of leave that leaves orange- brown colour in normal skin,, but its not permanent. Indian use them for wedding ceremonies