Stackable allows you adjust the color of multiple paths or shapes in your SVG icons.
Multicolor is only available for 1) custom uploaded icons that have multiple path elements, or 2) for Font Awesome Pro Duotones.
If you uploaded a custom SVG icon, Stackable tries to detect the different SVG elements that it can apply multiple colors to. These elements are SVG child tags such as
For each of the detected tags, you will be able to modify the color and opacity of that area.
If you're using Font Awesome Pro, when you have a duotone icon selected, you can use multicolor to colorize the different parts of your duotone icon.