How to change Themes and Branding in Salesforce
Salesforce provides a way to change the theme and branding on lightning platforms. Themes are made up of background image and colors. These elements combine to give us granular control of the appearance and structure of each page in our Salesforce lightning. Themes are all about the look and feel of your Salesforce lightning.
Step 1: Go to Setup —–>User Interface —–>Sites and Domains —->Theme and Branding (In Lightning).
Step 2: Click New Theme button.
Step 3: Enter a Theme Name and Description. If you need to change the brand image click on the Brand image box and choose the image.
Step 4: If you need to change the brand color (button, button letters, etc…) click brand color and choose the color as you need and click done.
Step 5: If you need to change the background color click Page Background under color section and choose the color as you need and click done.
Step 6: If you need to change the header color click Global Header Background under color section and choose the color as you need and click done.
Step 7: If you need to use link color same as the brand color, check the Use brand color or choose the color on Brand-Based Color Palette.
Step 8: If you need to change the background image, click upload on Page Background Image under image section and choose the image.
Step 9: After completing the branding, click Save.
Step 10: After Save click on Activate button to activate the theme.
Keep these considerations in mind when working with themes: