ADE 610

Discussion : Colour

  1. Define the meaning of CMYK and RGB
  2. Differentiate the purpose of;
    • Channel and Colour Correction
    • Saturation and Brightness

 

  1. Defining CMYK and RGB
  • CMYK is stand for Cyan, Magenta, Yellow and K for black. CMYK is refers to full color printing.  Because of the potential confusion with the words and abbreviations for blue and black, blue is called cyan and abbreviated C, and black is abbreviated K.
  • RGB is stand for Red, Green, Blue. RGB is the color system for computer monitors, video, etc. Without going into the science, it is critical to understand that PMS and CMYK are for printed pieces and RGB is for computer applications such as web sites.

Resources:

http://graphicdesign.stackexchange.com/questions/60/what-is-the-difference-between-cmyk-and-rgb-are-there-other-color-spaces-i-shou

2. Differentiate the purpose;

i) Channel and Colour Correction

  • Fixing exposure problems
  • Fixing white balance problems
  • Repairing excessive noise from aggressive ISO settings

ii) Saturation and brightness:

– Saturation is the intensity of a hue from gray tone (no saturation) to pure, vivid color (high saturation)

– Brightness is the relative lightness or darkness of a particular color, from black (no brightness) to white (full brightness)

Resource : http://www.georeference.org/doc/colors_as_hue_saturation_and_brightness.htm

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