Here are the steps:

1. Open Mask Settings

Tap on your lineart layer while selecting the mask tool.

2.  Choose Mask Mode - Automatic

In the mask options, select “Automatic” mode to create a mask for the layer.

3.  Tap only on the negative space

Tap on the negative space of your drawing (where your character is not.)

4.  Fill in details

Make sure to get all the negative space like between arms and legs or between hair stands.

5.  Invert the Mask

Go back to the mask options and select “Invert Mask.”

6.  Color in

Make a new layer underneath your lineart layer and reload the mask by press and holing on the mask settings. Now color in the space

You’re all set 💞 If you have any questions just ask! 🙌 don’t forget to follow @daryaelan for more tips!