The phrase "warm undertones" refers to the subtle hints of warm colors like red, yellow, or peach found in someone's skin or complexion. Full definition
Bobbie is Boosh's newest color, and it's described as a medium pink with warm undertones with a cream finish, straddling the line between glossy and matte. (stuff-i-love.com)
Ebony brown, mocha, and violet - based colors will enhance the natural warm undertones of complexions like Shay Mitchell's. (instyle.com)
A bit of warm undertone in Baby Fawn means the room won't feel cold in the fall and winter months. (satoridesignforliving.com)