rgbColor property

Color? rgbColor
getter/setter pair

RGB color.

The [alpha](https://developers.google.cn/workspace/sheets/api/reference/rest/v4/spreadsheets/other#Color.FIELDS.alpha) value in the [Color](https://developers.google.cn/workspace/sheets/api/reference/rest/v4/spreadsheets/other#color) object isn't generally supported.

Implementation

Color? rgbColor;