Amparo Blue- This is a good color for most people.
White- Good on folks with darker skin tone, dark hair, blondes with warm skin, white hair. Not good with pale or ruddy skin.
Orange.com- Good on all with warm skin undertones. Clashes with pink skin tones.
Vibrant Yellow- A little will go a long way, but most people can wear the color if it is combined with a hair color.
Lime Green- Pretty much the same as the yellow. Good on redheads.
Humus- This can be a challenging color....