Back in the Swinging Sixties, Washington was home to a collection of artists who were dubbed forerunners of abstract, color field painting. As an integral part of this season’s ColorField.remix, a visitation of the legacy left behind by the Washington Color School painters, Hemphill Fine Arts presents a three-artist exhibition: Jason Gubbiotti’s Wrong Way to Paradise; Leon Berkowitz’s The Cathedral Series; and Portia Munson’s Pink Project: Contained. Although Jason Gubbiotti currently lives and works in…