Someone asked me this question “Why do the color values range from 0-255 only?”.
I was surprised how I never noticed this small thing and began on a quest to know the Truth.
Not Surprisingly, the Truth is so simple.
Most of the screens use 24 bits RGB pixels, each pixel has three components in order of** Red, Green, Blue** leaving 8 bits for each color component.
Check this RGB calculator here.
The minimum and maximum decimal number that can be represented through 8 bits is 0 and 255.
00000000 (binary) = 0 (decimal) 11111111 (binary) = 255 (decimal)
Each pixel component ranges through 256 different shades of their color (RGB), and each number just sets the brightness/contrast of that pixel component resulting in
256 x 256 x 256 = 16777216 possible colors
I hope you learned something new today, open to comments and suggestions.
Thanks for reading the article.