Although you may not think colors mean much in when making logos it actually plays a big role in who the target audience.
Red: Anger, Passion, Love, Powerful
Yellow: Happy, Cowardly
Green: Nature, Envy
Blue: Femininity, Calm, Purity, Life
Purple: Royalty
Orange: Warning
When making logos you want to choose colors wisely so they appealing to your target audience and keep in mind Complementary and Supplementary colors.
Complementary: Yellow, Blue, Red
Complementary colors can make all colors.
Supplementary: Orange, Green, Purple
Yellow + Blue = Green
Red+ Blue= Purple
Red+ Yellow= Orange
Keep in mind colors next time you make a logo!