When it comes to hair colour, the options can feel endless. If you have cool undertones in your skin, you’ll want to go with warmer hair colours like red, copper, or blonde. If you have warm undertones in your skin, you’ll want to go with cooler hair colours like blue, black, or brown. This is largely due to the fact that blonde hair colour often requires more frequent hair salon near me appointments in order to avoid looking brassy or orange.