RGB color model
Videos
The RGB color model is an additive color model in which the red, green, and blue primary colors of light are added together in various ways to reproduce a broad array of colors. The name of the model
Full color image along with its R, G, and B components
The first permanent color photograph, taken by Thomas Sutton in 1861 using James Clerk Maxwell's proposed method of three filters, specifically red, green, and violet-blue
A photograph of Mohammed Alim Khan (1880–1944), Emir of Bukhara, taken in 1911 by Sergey Prokudin-Gorsky using three exposures with blue, green, and red filters
RGB phosphor dots in a CRT monitor
Grayscale
Videos
In digital photography, computer-generated imagery, and colorimetry, a grayscale or greyscale image is one in which the value of each pixel holds no color information. Pixel values are typically store
Examples of conversion from a full-color image to grayscale using Adobe Photoshop's Channel Mixer, compared to the original image and colorimetric conversion to grayscale
photographer: Jialiang Gao - year: 2008 - license: CC BY-SA 3.0