help with tv into hd. for xbox 360

doesn't have to have the red blue green to be hd?solo4321

HDMI

i just got a new 32 inch hd tv. but the cables at the back do not support the xbox red, blue and green ones, what do i do to make it so i can play this in hd ? do i need a cable or something ? Undie17

Yea you need to get the Standard/HD cable

the prick in the store said it would work fine. do i need a hdmi cable then?