The theme supports color swatches, you just need to upload an image for each color option that you have, otherwise the theme will try to provide a CSS color based on the color name. The perfect side for a color image is 50x50px and .png format.
For example, if you have a color called 'Déjà Vu Blue', then name your image
Other example, if your color is 'Blue/Gray', then name your image
Most simple example, if your color is 'Black', the name your image
- On the Edit HTML/CSS page, locate and click on the Assets folder to reveal its content.
- Under the Assets heading, click on the Add a new asset link.
- Upload your image.
Repeat steps 2 and 3 until you have uploaded all your images.