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  How To Create Single Color Design In Sfumato

I have received several e-mails with question how to create single color design in Sfumato. The program does not allow user to disable the last color scale (usually the scale number 3) and there are three colors in design, therefore. In fact, Sfumato needs to have at least one scale enabled. However, user can influence amount of each color in design by setting the Thresholds to appropriate values.
Following example shows how to do design in just black color.

1. Default colors in Sfumato are black, dark gray, light gray and white (not used on white Fabric). If you hit the Preview button, design that appears has 3 colors (black, dark and light gray).

2. Gray colors can be eliminated by proper setting of Darkest Color Threshold.
Darkest Color is black in this case. Click on Color Scale Bar number 3 to open Scale Parameters window (below picture). The scale (bar on the left side of below picture) consists of black, dark gray and light gray and their mutual bleedings.

3. Set the Darkest Color Threshold to 255 so that the black covers whole scale. You will also have to set the Blend Range of Darkest Color to 0, in order to prevent bleeding of other color into black.

4. Close the Scale Parameters window. The scale no.3 is whole black now, which means that no gray colors will appear in design. Hit Preview button to see result. Design is just single color now.

Using the same approach, you can eliminate just the dark gray color or just the light gray color by proper setting of Thresholds.

Even if you create multicolor design, you may want to not use dark or light shade of some color scale to reduce number of colors in design. Again, you can eliminate it by proper setting of particular threshold.