# Match light-shaded colors to plot themes for RegionPlot

I have a problem very similar to the one in the following topic: Match colors to plot themes. I want to extract the color of a plot for the corresponding legend. However, as I use a RegionPlot I am interested in the color of the region.

However, when I use

ChartingResolvePlotTheme["Scientific", RegionPlot]


I only get information on the color of the lines between the regions.

Is there a way to extract the color of the regions?

• I think it is just opacity setting. If you do the FullForm of the RegionPlot you will see something like: {EdgeForm[], Directive[FaceForm[Opacity[0.4]], RGBColor[ 0.365248, 0.427802, 0.758297], AbsoluteThickness[1.6], Opacity[0.3]],Polygon[…]} Sep 30 '19 at 12:27