Head to your websites Custom CSS section (Article)
Enter this snippet of code to change the Background Color of your add button:
/* card add button color */
gspro-item-card .gspro-o-card__add button {
background: blue !important;
}
To determine a different color, use this Color Picker.
Your colors are now customizable!
To view all available options for customizing your Wishlist, check out our Developer Docs.