Click on the color circle in the bottom right and hold down the mouse to move the circle and release it to choose the color inside the circle. Then click on the section/s you want to use that color. *Since we don't know what species Yoda, Yaddle or The Child are, we call him/her/it baby Yoda, realizing he/she/it is not actually Yoda.
Sorry, I only have this one "coloring sheet" page to choose from for now. I might make more later. Programming and concept by @scrappymammy Cover image from a websearch Artwork by Scrappymammy
