Andre Norton 
All Cats are Gray 

Steena of the spacewaysthat sounds just like a corny title for one of the Stellar-Vedo spreads. I ought to know, I’ve tried my hand at writing enough of them. Only this Steena was no glamour babe. She was as colorless as a Lunar planteven the hair netted down to her skull had a sort of grayish cast and I never saw her but once draped in anything but a shapeless and baggy gray space-all.