Pink:

Symbol of Romance and Feminine, Mostly Aligned with women products

Blue:

Symbol of Security and trust, Mostly associated with Banks and Businesses

Green:

Symbol of wealth and Nature,

Yellow

Shows Youthful and Optimistic. Mostly use to grab Attention

Red

Sign of Energy, Created Urgency and use in sales

Orange:

Shows Aggressiveness, Mostly use in call to action buttons.

Black:

Luxury and Powerful. Use to sell and market Luxury Products.

Purple:

Symbol of soothing. Aligned with beauty or anti-aging products.