- Using Design & Print, in Step 3 - Customize
- Look to the top middle of the screen and click Background
- Swatches and Color Wheel are the two options in the drop-down
- For standard color options, or to input your own Hex Color, stay on the Swatches tab
- For more options, the Color wheel tab has a circular palette of colors that you can click to choose and then lighten or darken using the slider on the right
- After selecting the color - click Apply and your color will be applied to the whole project
- If the color doesn't show, there is probably a background already on the project. Click Image, then Unlock background, then delete the image and your chosen background should show