Tzadik is a large-scale painting by Morris Louis that exemplifies his signature "veil" technique, in which thin rivulets of acrylic resin paint were poured and guided across unprimed canvas to create luminous, overlapping streams of color. The translucent layers of pigment bleed and merge organically, producing a sense of depth and radiance that seems to emanate from within the canvas itself. As a leading figure of Color Field painting, Louis used the fluidity of Magna paint to explore pure color and form, stripped of brushwork and gesture.