Hello Herve and All, Herve wrote: > I read on the Queensland industry department web site > (http://www.dpi.qld.gov.au/bees/4894.html) that white is the coolest color > in summer and the warmest in winter. I understand it is the coolest but how can it be the warmest ? All colors are equal on a cloudy day. The sun shinning on the hive would create winter warmth for the dark hive. > >White is not the warmest color for winter. Black would be. Most beekeepers which do not use white use light colors. I have seen dark colors used in areas where the summer is fairly mild but the winters cold. Sincerely, Bob Harrison