What’s blue and black and red all over? Pens! But they don’t have to be. No need to limit yourself to stock ballpoint pen or Sharpie colors—liven up your planners, architectural drawings, illustrations, journals, and calendars with splashy color, thanks to colored fine-tipped pens! Artists, illustrators, educators, fashion designers, architects, and doodlers alike can choose from an array of gel and felt-tip colored pen sets. Our roundup below will help you find the right set for all your needs.