|HSB Counter:| The gradient occurs in HSB color space (instead of RGB space). The |hue| transitions |counter-clockwise| around the color wheel from first to last. 

|HSB Clockwise:| The gradient occurs in HSB color space (instead of RGB space). The |hue| transitions |clockwise| around the color wheel from first to last.



|Standard:| the transition occurs directly from the starting value to the ending value. For color values, the red, green and blue values transition separately from start to finish.