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Things aren’t always black & white

Published on: Feb 25, 2016


Using colour when painting or drawing an image, White is the absence of colour while Black is a combination of all colours. However a Tv or computer screen creates colour from light. Just as when we hold a prism to or spray water in sunlight, we see rainbows.

Red, Green & Blue are the primary colours. Each is a single colour. Red, Green & Blue must be combined in some manner to make the other colours.

Web colors or hex colours are used in displaying web pages, and the methods for describing and specifying those colours. Colours may be specified as an RGB triplet or in hexadecimal format (a hex triplet). They may also be specified according to their common English names in some cases.

A colour can be made by mixing Red, Green and Blue, so it is called the “RGB Colour System”. It is also called an “Additive” colour system, because it starts at black, and then colour is added.

Basic Hexadecimal Notation:

Hex numbers use 16 digits: 0 1 2 3 4 5 6 7 8 9 A B C D E F  the most intense being red, green, and blue. Double Zero, “00,” is equal to zero hue. FF is equal to a pure colour. The colour is defined by its mix of Red, Green and Blue, each of which can be in the range:

0 to 255 (in decimal) , or 00 to FF (in hexadecimal).
Some common colours below:

Color Decimal
(Red, Green, Blue)
Black (0, 0, 0) #000000
White (255, 255, 255) #FFFFFF  *
Red (255, 0, 0) #FF0000
Green (0, 255, 0) #00FF00
Blue (0, 0, 255) #0000FF
Yellow (255, 255, 0) #FFFF00
Cyan (0, 255, 255) #00FFFF
Magenta (255, 0, 255) #FF00FF

* The Hex code of  White is #FFFFFF


Roses are #FF0000

Violets are #0000FF

Just don’t forget,

Grass is #00FF00, too



Hexadecimal Colors
A Quick Color Explanation
Color Hex Color Codes
Play with colours here: HTML Colors





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