Code.org
Encoding Color Images
Color me green. The fourth lesson in a unit of 15 introduces the class to color images and how to encode color images using binary code and hexadecimal numbers — and they will quickly notice that it is easier to code the...
TryEngineering
Data Representation: Millions of Colors
How many colors do you know? The lesson plan teaches scholars how digital devices use binary and hexadecimal representations to store colors. They learn how millions of colors are available on these devices.