Drag or click in a slider.

Shift-drag a color slider to move the other sliders in relation to it (except for HSB sliders). This keeps a similar color but with a different tint or intensity.

Enter values in any of the text boxes.

Click in the color spectrum bar at the bottom of the panel. To select no color, click the None box at the left of the color bar; to select white, click the white swatch at the upper-right corner of the color bar; to select black, click the black swatch at the lower-right corner of the color bar.