The Color of a
UIGradient describes the color to blend with the parent UI element along the provided
datatype/ColorSequence. This property works in a similar manner to
Trail/Color, except that it applies over an on-screen distance determined by the
UIGradient/Rotation|Rotation of the UIGradient. The image below shows the linear interpolation of four color values:
articles/Applying UIGradients, for more information on creating UIGradient objects and how they work.