If you are using a cable box or other external device make sure that its HDMI cord is connected tightly.Press the menu button on the remote then highlight "Picture Mode" and press "Enter." Press the left/right arrow buttons and select "Vivid," "Golf," "Basketball," "Game," "Baseball," "Standard," "Movie" or "Custom" picture mode, whatever picture mode best describes how you most often watch TV. Press the down arrow button and select "Color." Press the left/right arrow buttons and adjust the color.