Post-processing a Black and White Photograph
What is a Black and White photograph? A Black and White photograph is a greyscale representation of a color image. Sounds easy enough. However, what does that mean? The combination of three different information types creates a color. These information types are: The Tone or Hue of the color (red, green, purple). The Saturation of the color. The Luminance of the color. In the figure below, you can see the base colors of the RGB and CMYK color schemes. A
