RGB Color
You can select an RGB color for a hatch.
You can freely select any RGB color by clicking on the color gradient in the dialog box. The selected color has a certain hue and saturation. You can adjust the color's luminosity with a slider.

- Hue
- Select the hue from the color gradient area in the horizontal direction.
- Saturation
- Select the saturation from the color gradient area in the vertical direction.
- Luminosity
- You can select the color's luminosity by dragging the slider  with the cursor in the direction of the Y axis in the dialog
          box. Black and white are at the extremities of the slider. with the cursor in the direction of the Y axis in the dialog
          box. Black and white are at the extremities of the slider.
- Add to Custom Colors
- Click this button to save the selected color in a separate Custom colors menu. You can define 16 different custom colors which are saved in the user/CUSTOMCOLORS file.

 If you adjust this property to
          completely black or white, changing the color's hue or saturation will have no
          effect.
 If you adjust this property to
          completely black or white, changing the color's hue or saturation will have no
          effect.