cliparts/2/0/a/c/clipart-thermometer-20ac.svg image/svg+xml Open Clip Art Library Thermometer 2011-01-26T10:52:53 A simple thermometer with a color spectrum going from green over yellow to red. The gradient can be resized vertically to your wishes. http://openclipart.org/detail/110065/thermometer-by-coredump coredump cartoon clip art clipart color icon science thermometer