Illustrator is a vector graphic editor that lets you create beautiful illustrations. You can use it to create designs, logos, illustrations, and more. There are a few ways to change colors in Illustrator. The first way is to use the Colors palette. The Colors palette lets you choose from a range of colors to create your illustrations. The second way is to use the tools in the Strokes panel. The Strokes panel lets you add lines, shapes, and other features to your illustrations. The third way is to use the Properties panel. The Properties panel lets you change the properties of your illustrations, such as their opacity and color temperature.