A professional who mixes pigments or base colors with paints, enamels, or lacquers to match standard or sample colors, following formulas and standard color samples. Respnsibilities include:

• Starts agitator in tank filled with basic paint product.
• Pours pigments or base colors from containers and dumps specified amounts into tank to color basic product.
• Smears sample of batch on glass or paper, using spatula or brush, and compares sample with standard color, using colorimeter.
• Repeats operation to attain specified shade.
• Records ingredients added on batch ticket.
• Ladles sample into container, writes identifying data on container, and submits sample to laboratory for final color, gloss, weight, and viscosity tests.
• May add materials to thin batch.
• May remove foreign matter from batch, using centrifuge.
• May weigh sample and calculate weight per gallon.
• May determine specific gravity, using hydrometer.
• May test for viscosity, using viscometer.
• May be designated according to product colored as Enamel Shader (paint & varnish); Lacquer Shader (paint & varnish); Latex-Paint Shader (paint & varnish); Oil-Paint Shader (paint & varnish).