Threshold

Colors> Image Color Adjustments> Threshold...

Threshold converts each pixel into black and white or unchanged depending on whether the original color value is within the threshold range. Threshold is a very important command that is often used to prepare scanned RGB or RGBa images for vectorization or use as guide layers in the creation of drawings.

This is a quick tool to process 2 colored design in a single click. You can adjust the level of the threshold by increasing and decreasing the values.