search for: grayshades

Dear list members, I would like to plot a time series, with grayshaded background in time phases were the value of the timeseries exceeds the mean value. For example, if the temperature from 1995-1998 exeeds the mean value between 1980 and 2005, the background in the plot from 1995-1998 shall be shaded. Can anybody help me? Thanks Thomas H.

After trying to find if there was a color picker in the FAQs and the help, I thought I would send a post here. I was overwhelmed with all the wonderful color choices R has predefined (discovered after typing in colors()) but can't figure out what they all (by name) look like. Is there a color picker or some other method to display all those colors next to the name? I think I can put together