Adding Custom (white) color to the color palate of the cells in “Label”

hello,
We need to present a table without colors and as colorless or White colour (custom colour) as possible.
So, we would like to have the option that the cell we use, which will be a selection cell (label/status), will still be a selection from options we set in it, but its color will be white, or we will be able to choose that color