CMPT 165 Lecture 15: Lecture 15
18 Oct 2018
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Lecture 15: colour gamut is the range of colours we can see, colour depth, number of bits to represent a pixel, 24-bit, 8-bit, store 8 bits per channel x 3 channels = 24 bits. In css we use 24-bit to encode a colour: rgb, each hex level has 16 levels, 16x16 = 256. In decimal you start from zero: 0,1,2,3,4,5,6,7,8,9, whenever you count in, include 0, eg. 4 is the 5th number. Decimal (out of 10) hex (out of 16) 0 7 0 (halfway number since we start at 0) = 007700. 1 0 1 (less light, darker) (10% of 16 - (1
