The Formula: Lighting with Gels
In this in-depth lighting tutorial, see how photographer Ab Sesay uses a Sekonic L-478DR to dial in a simple, but dramatic three light setup you can easily do against any white wall.
A Quick Breakdown
Know what your lights are metering without the gels
Gel your lights, and re-meter them to compensate for the exposure change.
Metering to get the maximum saturation from your gels.