Need information for colors to paint concrete?

well i of your talkin about a patio then i would suggest you use a product made my banjamin moore called floor and patio paint or something, then you can get it in most any of benjamin moores colors, now if you talkin about garage floors then you will want to use a two part epoxy paint which most if not all only come in set colors and can be aquired from any pant store and most general hardware stores that sell paint. that the most i can help with out more details