I'm developing some fundamental html pages, i'm setting colors of text usimg color code #e7eddf

it appears fine in home windows but appears different in mac.

Are you able to explain me why its happening as well as suggest me some deal with for your??

I'm using opera on the mac and home windows

Apple computers use 1.8 gamma automatically in comparison to two.2 on other OS. It was fixed in Snow Leopard that also uses 2.2 now. Find out more here.