Why is the color of our skin so important?

The color of our skin can tell us many things occurring in our bodies. the pigment of our skin,(color) can tell us if we are too hot, too cold, sick, etc. Heredity plays a big role by giving us the correct pigment based on our race, age, and gender. the pigment of our skin can darken to protect us from harmful UV rays emmitted by the sun. Hence when you lie out in the sun you get a tan.