☰ Contents · Computing

Colour systems: RGB, CMYK, HSB

Lessons 11 · 1 lessons · N. I. Taylaqov (general editor), A. B. Akhmedov, M. D. Pardayeva, A. A. Abdug‘aniyev, U. M. Mirsanov. Informatics and Information Technologies, Grade 11, 1st edition. “Extremum-press”, Tashkent, 2018
Answers are for parents and teachers.
1
What is the hexadecimal form of RGB (255, 0, 128)?
2
How many colours are there with 8 levels (3 bits) per channel?
3
What is the complement, in degrees, of Hue = 100° in HSB?
4
Why does the colour system used in a printer differ from the one on a monitor?
5
Name a text colour that stands out clearly on a black background, and say why.