\u00a9 2021 wikiHow, Inc. All rights reserved. You can also use the scumbling method where you scribble multiple colors on top of each other to blend them together. If you are going to be experimenting with non-traditional surfaces, just know that it’s going to be as easy. Hairspray is used to set chalk pastels. Pastels allow you to layer and blend vibrant colors to create a soft look. Once you’re done drawing a series of lines, it’s time to blend! You’re going to need a whole lot of determination to do your best work. Download and print the free project. That should help you to start off, and give you an idea of how well these pastels smudge and blend into each other. This image may not be used by other entities without the express written consent of wikiHow, Inc.