Teach kids to recognize the color blue. This printable colors worksheet will help children practice recognizing the color blue. Learning colors is an important part of a preschool age child's curriculum and this worksheet is part of a series designed to help kids learn the color blue and all the other basic colors. This worksheet asks kids to identify the objects that are blue in the pictures on the page and then circle them. This worksheet will help develop a childs sense of the color blue since the objects vary in shades of blue.