Dallas-based artist Pamela Nelson, known for her geometric color theory works, is featured in a solo show at Keith House in Fort Worth, arguably one of the best-kept secrets in the DFW metroplex. Perhaps best known for the super-sized Color Equations at Northpark Center in Dallas, created with project collaborator Robert A. Wilson, Nelson’s Time After Time exhibition is centered around 16 paintings in the front and rear galleries of the building flanking the meeting house-style James Turrell Skyspace Come to Good.