RGBA

(Red, Green, Blue, Alpha).

  • Development: Extension of RGB to include an alpha channel for transparency control.
  • Colors/Units of Measure: Red, Green, Blue, Alpha (opacity).
  • Hardware-Based: No, primarily used in software for digital imaging and web design.
  • Year of Release: Evolved alongside RGB.
  • Founding Institution: Various software companies and research institutions contributed to its development.
  • Color Theory: Extension of RGB with transparency control.
  • Color Model: Additive color model.
  • Total Number of Possible Color Combinations: 16,777,216 (256 levels for each of the three colors), with additional levels for alpha transparency.
  • Primary Colors: Red, Green, Blue.
  • Secondary Colors: Cyan, Magenta, Yellow.
  • Tertiary Colors: Various combinations of the primary and secondary colors.