Download this set of skintone swatches to help you color your clipart characters.
To use this swatch set, just download file and open it in your project. Then use the eye dropper tool to select the color you desire.
You will find you have the option to download the color swatch as a jpg image file or as a Procreate swatch file which you can import to Procreate. Note, this is in a zip file, so you will need to unzip the file before loading it to Procreate.