The Sarah Fielke branded Colour Value tool has been the designer's choice for over 25 years.
 
The Red filter is used to determine color values. When viewing your materials through the filter they will appear in gray scale (no color). You will now see things as light, medium and dark. With the filter you can arrange your materials by color value to create eye appealing contrasts.
 
Great for quilting, oil and pastel painting, graphic design, mixed media art, sewing, rug hooking, plein air painting, etc.

Filter is thick acrylic and measures 4" square (10cm)