In this proof of concept I hypothesized that much like an orange gel adds orange to your foreground ie. adds blue to your background – red could add green to your background when using a custom white balance. Including lighting diagrams and details about the gels used – this is a great example of using gels creatively can achieve extraordinary possibilities. Take a look, you might learn somethign about how to creatively use those Rosco Gels in a new way!