Images
are constructed from picture elements (pixels); color uses RGB light
•The RGB color
intensities are specified by 3 numbers in the range [0, 255], ie 1 byte
each
•Black
= [ 0, 0, 0] 0000
0000 0000 0000 0000 0000
•Gray
= [128,128,128] 1000 0000
1000 0000 1000 0000
•White
= [255,255,255] 1111 1111
1111 1111 1111 1111