As music filled the church auditorium, colorblind artist Lance Brown stepped onstage. He stood in front of a large white canvas, with his back to the congregation and dipped his brush into black paint. With smooth swipes, he completed a cross. Stroke after stroke with brushes and his hands, this visual storyteller created images of Christ’s crucifixion and resurrection. He covered the large patches of the canvas with black paint and added blue and white to finish a now abstract painting in less than six minutes. He picked up the canvas, turned it upside down, and revealed a hidden image—a…