# HPBACKGROUNDCOLOR System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2027/System%20Variables/H/(H).md) ## Function Description: The HPBACKGROUNDCOLOR system variable is set the background color of hatch pattern. | | | | --- | --- | | Type | Strings | | Saved in | Registry | | Initial value | None | **Valid values:** "None" or "." to apply no background colorIndex Color: an integer between 1 and 255, or color name of the front seven colors True Color: a RGB or HSL value between 000 and 255, the format is "RGB:000,000,000" Color Books: standard color system, wizard, and set text --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Hgsv/HPBACKGROUNDCOLOR.html) · © Gstarsoft Co., Ltd.