A pen that looks analog and mimics traditional art based on scanned materials
These pens use the sub colors to make it looks analog

Sub colors are the circle/squares under the color wheel depending on the version
You can mix the colors to do a darker color of the same color
There are 2 versions one pen is for 2.0 the other one is made for 1.0 which is the standard version

2.0
1.0