If I change the bedsheets regularly then it wont match with the curtains and wall colour?so it will look really different and weird with different colors everywhere.waht am i supposed to do now?not change the bedsheets or paint the room white so that it matches with every bedsheet and curtain colour?
Just wash the same matching bedsheets in the morning and tumble dry them ready at least by the time you go to bed, every time you need to wash them.
Of course it will not look good. You can buy bed sheets and curtains according to your color scheme. But as you have told that you want to paint it white it can be good option. Here I am forwarding you some links that i think it may help you. It will give you useful information about the home improvement software that enables you to visualize any change in your home before actually going for it. You can change interior of your home and can visualize it before starting project. The link is