Colour notation

The most common forms of colour notation used with computer software and by digital equipment are the triplets of the  RGB and HSB colour models and the quadruplets used by CMYK model.

  • RGB notation can be represented in decimal or hexadecimal formats.
    • Decimal RGB notation for orange is: R=255, G=128, B=0.
    • Hexadecimal RGB notation  for orange is: #FF8000.
  • HSB notation is represented in a decimal format.
    • The HSB notation for orange is: H=30.12, S=100, B=100.
  • CMYK notation is represented in a decimal format.
    • The CMYK notation for orange is: C=0, M=61.48, Y=100, K=0.