Which shade of Primer to use?

Tools, Techniques, and Reference Materials Painting and airbrushing
1

i am currently working on tamiya Kawasaki Ninja ZX-14 Special Color Edition and i am using mica red for the wheels should i use a white primer or a grey primer? grey primer is for light colors and white primer is far darker colors ami right on this one???

2

You got it backwards. Use the lightest possible color under red, yellow, orange, and light but saturated greens. So use white under red. If you really want to cut down on the number of coats for hide, prime with silver, then flat white, sand lightly, then apply red.

3

i had primed the wheel a grey already guess im priming it white now