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  2. Color photography - Wikipedia

    en.wikipedia.org/wiki/Color_photography

    Lippmann photography is a way of making a color photograph that relies on Bragg reflection planes in the emulsion to make the colors. It is similar to using the colors of soap bubbles to make an image. Gabriel Jonas Lippmann won the Nobel Prize in physics in 1908 for the creation of the first color photographic process using a single emulsion.

  3. Help : How to reduce colors for saving a JPEG as PNG

    en.wikipedia.org/wiki/Help:How_to_reduce_colors...

    Sometimes, you find a drawing or similar image useful for a Wikipedia article, that was saved as a JPEG but should have been saved as a PNG.JPEG is good for images where the color changes fluidly throughout the image, like in a photograph, whereas PNG files are good for images with relatively few colors, such as a drawing of a flag, a chart, or a map; note that sometimes SVG is better.

  4. Film colorization - Wikipedia

    en.wikipedia.org/wiki/Film_colorization

    Color applied to the 1925 film Lights of Old Broadway through the Handschiegl process. Film colorization (American English; or colourisation [British English], or colourization [Canadian English and Oxford English]) is any process that adds color to black-and-white, sepia, or other monochrome moving-picture images. It may be done as a special ...

  5. Hand-colouring of photographs - Wikipedia

    en.wikipedia.org/wiki/Hand-colouring_of_photographs

    Hand-coloured photographs sometimes include the combined use of dyes, water-colours, oils, and other pigments to create varying effects on the printed image. Regardless of which medium is used, the main tools to apply colour are the brush and fingertip. Often the dabbing finger is covered to ensure that no fingerprints are left on the image.

  6. List of monochrome and RGB color formats - Wikipedia

    en.wikipedia.org/wiki/List_of_monochrome_and_RGB...

    This list of monochrome and RGB palettes includes generic repertoires of colors (color palettes) to produce black-and-white and RGB color pictures by a computer's display hardware. RGB is the most common method to produce colors for displays; so these complete RGB color repertoires have every possible combination of R-G-B triplets within any ...

  7. Negative (photography) - Wikipedia

    en.wikipedia.org/wiki/Negative_(photography)

    A negative color image is additionally color-reversed, [6] with red areas appearing cyan, greens appearing magenta, and blues appearing yellow, and vice versa. Under a phenomenon known as the ‘negative picture illusion’, a negative image can be briefly experienced by the human visual system where an afterimage persists subsequent to a ...