Violet underneath with blue highlights. Purple hair. Violet hair. Blue hair.
L2M1AP1 - Warm Light - Program Mode ISO:100 Focal Length: 30mm f/6.3 1/160sec Cropped Exposure: +1.00 Highlights: -45 Handheld Taken on a sunny day outside in open shade. White Board behind and underneath objects Nikon D3200
Blonde highlights for gray hair - here's a good idea to camouflage gray hair with blonde/gray-ish highlights. Upkeep would be easier if the highlights are more "grey" than blonde so not as noticeable when roots grow out.