Thank you. As I said for confidentially reasons I can't post the whole image but I can give you the problematic part. This is an extreme case where I purposely chose a very narrow beam. For some reason this also made the colors wonky. The second example is a wider beam and has normal colors. sample....

I'm fairly new to indigo. Have been playing around a few months now but I'm impressed how easy it is to get decent results compared to other renderers. Currently I have an indoor scene (bathroom), which is illuminated by spot lights. The spot lights have an IES profile (tried several) and there are ...