Pink or red, depending on the severity. If it's bad it blisters and usually starts to peel after a couple days. If you think you have sunburn, try using aloe or something to soothe the skin.
Your skin is usually red when you receive a sunburn and your skins "burns" or is tender to the touch.
First degree sunburn looks like red skin. Second degree sunburn look like red skin with overlying blisters. Third degree sunburn looks like burnt hamburger. You NEVER want to get third degree sunburn.