Revert "replace default color scheme with USGS web safe"

This reverts commit 6b9ba4218fbe35179d9a9afcac4c9862107dff9e.
Revert "Revert "replace default color scheme with USGS web safe""

This reverts commit d8f172a8e652f2de0e1845c1209dd71e080a9ee7.