# BPARAMETERCOLOR System Variable [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [B](Help%20System/GSTARCAD/2020/System%20Variables/B/(B).md) **Function Description:** The BPARAMETERCOLOR system variable is used to set parameter color in block editor. | | | | --- | --- | | Type | Strings | | Saved in | Registry | | Initial value | 170 | | Range | 1 \~ 255 | The valid value includes BYLAYER, BYBLOCK, and integers from 1 to 255\. The True color is a strings with RGB in front and each value is separated by a comma. It is entered as the following way: RGB:000,000,000 --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/B/BPARAMETERCOLOR%20System%20Variable--f2933a5c4d4d.md) · [GstarCAD 2017](../../../2017/System%20Variables/B/BPARAMETERCOLOR%20System%20Variable--f2933a5c4d4d.md) · [GstarCAD 2018](../../../2018/System%20Variables/B/BPARAMETERCOLOR%20System%20Variable--f2933a5c4d4d.md) · [GstarCAD 2019](../../../2019/System%20Variables/B/BPARAMETERCOLOR%20System%20Variable--f2933a5c4d4d.md) · [GstarCAD 2021](../../../2021/System%20Variables/B/BPARAMETERCOLOR%20System%20Variable--f2933a5c4d4d.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/B/BPARAMETERCOLOR%20System%20Variable--f2933a5c4d4d.md)