Color Hue (U) - Move left to make the color more purplish, right to make it more greenish Primary Spike Color Hue Control

Click the control or press U to activate.

The Color Hue control, part of the Primary Diffraction Spikes control group, changes the hue or "tint" of the star color used in rendering the Primary Spikes.

Higher Color Hue values make Primary Spikes more greenish.