Inkscape

Time for action — using Blend mode

Let's add in a Multiply blend filter to two simple objects as an example:

1. Open a new document in Inkscape.
2. Use the Circle/Ellipse tool and create one red circle and one yellow circle, shown as follows:
   
3. Now move the yellow circle so it overlaps the red circle:
   
4. Open the Layers dialog and go to the Blend mode drop-down menu. Select Multiply as follows:
   

   The two objects combine as if light were shining through both. The red ...