I need help with this keyer node. I set it so that it would take away black parts (and make them transparent) but now it’s also happening to bright parts. Images below.
Without keyer: 
With keyer: 
when in reality, it should only take away black colors.
Go to Problems with transparency #2 to see my node graphs.
what is the canvas.png?
A completely transparent background (1920x1080)
Checking the screenshot, I don’t see that shadertoy is connected to a keyer node.
I fixed it. Thank you for the suggestions.