You can easily recolor individual icons in our built-in editor by clicking on the color wheel:

Remember to click the Done button to save all changes, otherwise they will be lost.
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You can change the color of multiple monochrome icons by selecting a color from the drop-down menu:

You can recolor a collection of monochrome icons at once. Select a color or enter its HEX code.

If the collection includes icons that consist of multiple colors, the colors will remain unchanged.