Since the sun itself is actually a star I would have to say there are some out there.

Size (Mass) helps determine how long the star will live, also helps in some calculations as to how hot it is.

Using color as a temperature probe gives only a crude measurement of the star's temperature.

http://en.wikipedia.org/wiki/Sun (More on the sun)

http://www.solarviews.com/eng/starformation.htm (shows a star hotter)

http://docs.kde.org/development/en/kdeedu/kstars/ai-colorandtemp.html (Shows star color relevence to star temp)

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