Change Add to Cart Button Color in Squarespace

Add to Cart Button uses Primary Button Style, so you can change it in Site Styles or use Custom CSS.

A. Use Site Styles

#1. Click the Site Styles icon

image

#2. Click Colors

#3. Choose a theme color

In my example, it is LIGHTEST 1 . To find this, just open a Product in edit mode > Click Site Styles icon > Colors > You will see the theme name.

#4. Scroll down to this

B. Use CSS

Just use this code to Custom CSS box

div.sqs-add-to-cart-button-inner {
    color: #f1f !important;
}
div.sqs-add-to-cart-button {
    background-color: #ff0 !important;
}

Result

image