Answer:
Color contrast is the difference in light between font (or anything in the foreground) and its background.
Explanation:
In web accessibility, how well one color stands out from another color determines whether or not most people will be able to read the information.
Contrast makes things look different and stand out
LIke jazz, photography has fallings that are being implied to the pictures such as the jazz music. These felling or as there commonly know as soul can make great music and even HD pictures in photography.
I'd say PCIe x1... in terms of preformance