In addition to Triangle, Box and Diamond modes of the color wheel new MagicPicker adds Color Temperature Wheel mode. It lets you limit your color gamut to only warm or only cool colors (will be covered later in more detail). To switch modes click on the button on the top right to get the he tool best matching your painting style and a better color coverage in shades and saturation! You can also ALT-click to quickly switch to the Color Temperature mode.
MagicPicker, the color wheel and advanced color picker for Photoshop and Illustrator