# HPBACKGROUNDCOLOR System Variable [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2022/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 color Index 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 ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/H/HPBACKGROUNDCOLOR%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/H/HPBACKGROUNDCOLOR%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/H/HPBACKGROUNDCOLOR%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/H/HPBACKGROUNDCOLOR%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/H/HPBACKGROUNDCOLOR%20System%20Variable.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/H/HPBACKGROUNDCOLOR%20System%20Variable.md)