Digital Coloring with Hard Brush

In this tutorial you will know that how to color with hard brush in Photoshop.
You need to have Photoshop Software (any version) and an artwork to color. First open your artwork in Photoshop. Now select the brush, shown in the image below.

Hard Round Pixels Brush in Photoshop

Here you will have to choose hard round brush. You can take any size what you want.
Press F6 (Brush Window), Change some properties in Brush Tip Shape (shown in the image below). Change hardness to 100%. Now, you can start coloring with this brush.

Brush Tip Shape Option in Photoshop

Thanks for your time.