1/9/2024 0 Comments Hsb primaries color wheelThe nature of physical optics was revealed by Sir Isaac Newton in Opticks (Figure 2). Color is associated with material as well as light source, and color is generated by physical properties of material such as light absorption, reflection, diffusion, and other optical properties. Our eyes perceive and distinguish different wavelengths of light, which we categorize by name as red, green, blue and other hues. See the full resolution version at this link.Ĭolor is a property of light. The human eye is sensitive enough to detect about 10 million colors, although the number of colors possible is theoretically infinite. By changing values incrementally for red, green and blue, each pixel contains a unique color value. When viewed at full resolution (1000 pixels wide and high), the image contains one million pixels.
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