How can I blend colors together with different blend modes in inkscape? I can't seem to find any options for controlling the method for blending colors.
For example, how could I make something like this:
In Inkscape using blend modes?
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Create your objects, set your colors, then go to
Filter > Filter Editor.
Now, create a new effect, then
Add Effect: Blend. Drag the first connection to connect it to the
Source Graphic. drag the other one to
Background Image. Then enable it and in the
Effect parameters, set the
Mode to screen.
I this does not work there is a work around.
Assuming you kept your objects press Ctrl+Shift+L to bring up the Layers, change the
Blend Mode to screen. You should now re-open
Filter Editor, select the objects and enable the filter on those objects. You can now reset the Layer
Blend Mode to Normal.
Here is a reference to Compositing Filter
Hope this helps.
The version posted by Samuel Dellicour works, but isn't actually using ADD, but instead SCREEN with appropriate sources. Its similar to an addition, but not exactly the same.
To get a true ADD effect swap the "Blend" effect for a "Composite" effect. Set the operator to arithmetic and K1/2/3/4 to 0/1/1/0. This will perform a true component-by-component addition.