adaptation when matching colors

git-svn-id: https://colorer.svn.sourceforge.net/svnroot/colorer/trunk@1923 0bd3b267-ae0d-0410-aca8-b41e4d3634ba
misc

git-svn-id: https://colorer.svn.sourceforge.net/svnroot/colorer/trunk@1924 0bd3b267-ae0d-0410-aca8-b41e4d3634ba