An RGB color value is specified with: RGB(red, green, blue). The RGB values demonstrate primary colors of light being red, green, and blue. The primary colors of light are different from the primary colors of liquid paint(red, yellow, blue)
Each parameter of the RGB(red, green, and blue) values defines the intensity of the color as an integer between 0 and 255. For example, RGB(0,0,255) is rendered as blue, because the blue parameter is set to its highest value (255) and the others are set to 0. (0,0,0) is black, and (255,255,255) is white.
RGB(238, 130, 138) #ee82ee hsl(300, 76%, 72%) Violet
RGB(255, 192, 203) #ffc0cb hsl(350, 100%, 88%) Pink
RGB(255, 218, 185) #ffdab9 hsl(28, 100%, 86%) PeachPuff
RGB(128, 128, 128) #808080 hsl(0, 0%, 50%) Gray
RGB(192, 192, 192) #c0c0c0 hsl(0, 0%, 75%) Silver
RGB(245, 245, 245) #f5f5f5 hsl(0, 0%, 96%) WhiteSmoke
RGB(255, 255, 255) #ffffff hsl(0, 0%, 100%) White
RGB(255,0, 255) #ff00ff hsl(300, 100%, 50%) Fuchsia/Magenta
RGB(128, 0, 128) #800080 hsl(300, 100%, 25%) Purple
RGB(128, 0, 0) #800000 hsl(0, 100%, 25%) Maroon
RGB(0, 255, 255) #00ffff hsl(180, 100%, 50%) Aqua/Cyan
RGB(135, 206, 235) #87ceeb hsl(197, 71%, 73%) SkyBlue
RGB(64, 224, 208) #40e0d0 hsl(174, 72%, 56%) Turqoise
RGB(0, 255, 0) #00ff00 hsl(120, 100%, 50%) Lime
RGB(144, 238, 144) #90ee90 hsl(120, 73%, 75%) LightGreen
RGB(165, 42, 42) #a52a2a hsl(0, 59%, 41%) Brown
RGB(255, 215, 0) #ffd700 hsl(51, 100%, 50%) Gold
RGB(210, 105, 30) #d2691e hsl(25, 75%, 47%) Chocolate
RGB(160, 82, 45) #a0522d hsl(19, 56%, 40%) Sienna
RGB(139, 69, 19) #8b4513 hsl(25, 76%, 31%) SaddleBrown
RGB(65, 105, 225) #4169e1 hsl(225, 73%, 57%) RoyalBlue
RGB(255, 99, 71) #ff6347 hsl(9, 100%, 64%) Tomato
RGB(245, 222, 179) #f5de53 hsl(39, 77%, 83%) Wheat
RGB(128, 128, 0) #808000 hsl(60, 100%, 25%) Olive
RGB(30, 144, 255) #1e90ff hsl(200, 100%, 56%) DodgerBlue
WAVELENGTHS OF VISIBLE LIGHT
All electromagnetic radiation is light, but we can only see with our eyes a small portion of this radiation—the portion we call visible light. Other portions of the spectrum have wavelengths too large or too small and energetic for the biological limitations of our perception. As the full spectrum of visible light travels through a prism, the wavelengths separate into the colors of the rainbow because each color is a different wavelength. Red has the longest wavelength, at around 700 nanometers. Violet has the shortest wavelength, at around 380 nanometers.
Wavelengths that are longer than red light are such as(from shortest to longest wavelength): infrared light, microwaves, and radio waves. Wavelengths that are shorter than violet light are such as(from longest to shortest wavelength): ultraviolet(UV light), X-rays, and gamma rays. The entire range of electromagnetic radiation is called the electromagnetic spectrum.
The image(below) is an example similar to the visible light portion of the electromagnetic spectrum. If this was a rainbow going up into the sky bowing to the right, the red has the longest wavelength and uses the longest path of the rainbow arch.
The image(above) is also an example similar to an emission spectra. A white-light spectrum is continuous, with radiation(colored light) emitted at every wavelength.(The different wavelengths appear as vertical lines because the light from the source passes through a slit before entering the prism.)
Other individual elements of the periodic table of elements produce a different light color, causing a different emission spectra, having only certain specific wavelengths of colored light to display. For example, a glass tube neon light sign filled with gaseous hydrogen atoms will only display a small number of lines of colors on the emission spectra, there will be large empty spaces where there is no color.
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