Colors Change

Presets
You can choose between various gradient presets.
Show the gradient selected in the presets list box.

Gradient Editor
To modify the gradient, select the color box and with the pipette, click in the color panel.
If you customize a gradient, the presets list box indicates the custom type.
You can also, right click on the gradient editor to open a popup menu, and copy or paste a gradient from the clipboard, also randomize the gradient.
For more detail, see the gradient editor description.

Colors Panel
Allows you to choose a color.