If you have your Card Categories displayed on your Project Dashboard, and you want them to have colours that relate to their content, you can edit the colours in Settings.

Step 1: Go to Settingsand then card categories

Step 2: Select the category you want to change from the dropdown menu.

Step 3: When you have selected your category e.g. Contestants, then click the circle with the card category colour and choose another from the palette. Hit "Save" in the bottom right corner when you are finished to save the changes you have made to your category.