Compositing with Material Nodes


In the following image, the Preview window shows a composite material giving an orange tint to the colour of a sphere. The render window below, though, shows no glow. Dr. Seuss syndrome aside, why is the material node not being rendered?

Here is a glimpse of the composite nodes:

I thought the composite nodes should apply the material nodes?

Thank you!

It appears both material nodes are being applied. It’s just red and not orange: