Pastel Hair Colour Based on Skin Undertones
How to Choose a Pastel Hair Colour Based on Your Skin's Undertone
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"Really saturated, cooler colours like aqua blue or royal blue work as they compliment the medium to deep cooler tones but are also very vivid. Going for a cooler colour doesn't just limit you to blues though. Colours have undertones so a cool red such as fire red would also have the same effect."