Determine colour values and intensities with this Gray Scale and Value Finder!

Place this die-cut card directly on a photo or piece of artwork, or view it between your eyes and your subject matter to match the gray values on the card to the colours you are seeing.

The card measures 4" × 6" - 10cm × 15cm, and it shows ten values from 100% black to 10% black. It includes simple explanations and instructions on darkening or lightening colours when using a colour wheel.