The screen pf nexus one looks yellow?

i have bought a nexus one which is is a smartphone from Google that uses the Android open source mobile operating system.
its sound is wonderful. After the completion of the wizard to see the main interface, AMOLED 1600 million color 480 × 800 screen display worked well, trying the phone, text messages, take pictures, songs and Internet functions, the operation is very smooth. But does anybody's screen of nexus one look yellow, especially this picture http://www.mobicomet.com/wallpaper_detail_6jkzu5bjcis.h..., mine is yellow.