Set the Brightness slider at 0.How to make shades of Gray
Set the Saturation slider at 0 and then adjust the Brightness slider.How to make White
Set the Saturation slider at 0 and the Brightness slider at 100.How to make Earth Tones
Set both the Saturation and Brightness sliders around 50 and then use the Hue slider to select your color. Then afterwards, you can adjust the Saturation and Brightness to taste.
PLEASE NOTE:
The Color SLIDER will always open to the last used settings. This can be greatly to your advantage when creating complementary colors (e.g., creating varying shades of a certain type of green).