Red The Aztecs of Mexico taught the Spanish how to make red dye by crushing insects called cochineals. In the U.S., pink is now associated with girls, though before the 1920s it was considered a boy's color. Yellow Cheerful sunny yellow gets noticed. In ancient Rome, yellow was the most popular wedding color. Blue has a calming effect.
Fashion consultants recommend wearing blue to job interviews because it symbolizes loyalty.
For this same reason, U.S. police officers traditionally wear blue. Orange Brilliant tropical orange may be the most attention-getting color. Like yellow, it can be used for safety-evening joggers and hunters in the woods may wear orange tops. Orange can be mixed with pink to make peach, a lively color that is popular in warm weather. Green Green is the easiest color on the eye.