BOYSEN TINGTING COLOR B-2315 BULLETIN RED ( 1/4 LITER 1/4 LITER 1/4 LITER 1/4 LITER 1/4 LITER ) BOYSEN ® Oil Tinting Colors. DESCRIPTION: BOYSEN ® Oil Tinting Colors are concentrated alkyd based tinting paints for oil, alkyd and enamel paints. They are used to produce tints from pastel to medium shades. NOTE: To produce dark shades, choose from factory mixed colors or intermix premixed colors to get desired shade. Tinting Acrylic Paint Colors. Lightening your acrylic paint colors with white paint is called tinting. Each color has a limit on just how much lighter you can make it. This is called tinting strength. Dark colors have a higher tinting strength because they’re darker