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APPLICATIONS OF METEOSAT SECOND GENERATION (MSG)

APPLICATIONS OF METEOSAT SECOND GENERATION (MSG). RGB IMAGES: PART 02 INTRODUCTION TO RGB COLOURS Author: Jochen Kerkmann (EUMETSAT) kerkmann@eumetsat.de. PART 2: INTRODUCTION TO RGB COLOURS. Definition of RGB Colours.

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APPLICATIONS OF METEOSAT SECOND GENERATION (MSG)

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  1. APPLICATIONS OF METEOSAT SECOND GENERATION (MSG) RGB IMAGES: PART 02 INTRODUCTION TO RGB COLOURS Author: Jochen Kerkmann (EUMETSAT) kerkmann@eumetsat.de

  2. PART 2: INTRODUCTION TO RGB COLOURS

  3. Definition of RGB Colours Red, Green, Blue: The three colours of light which can be mixed to produce any other colour. Coloured images are often stored as a sequence of RGB triplets or as separate red, green and blue overlays though this is not the only possible colour representation*. These colours correspond to the three "guns" in a colour cathode ray tube and to the colour receptors in the human eye. • * Other commonly used colour representations are: • The CMYK colour model (Cyan Magenta Yellow and Key (black)) • The HSV colour model (Hue Saturation Value)

  4. The Colour Circle

  5. RGB Colour Values RGB colors are defined using a decimal or hexadecimal notationfor the combination of Red, Green, and Blue color values (RGB).The lowest value that can be given to one light source is 0 (hex #00).The highest value is 255 (hex #FF).

  6. More RGB Colour Values Examples of colours (names) and 8-bit RGB values: • Red 255, 0, 0 • Fuchsia 255, 0, 255 • Skyblue 153, 206, 235

  7. RGB Colour Names A collection of color names are supported by Internet Browsers.Below, are some examples:

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