22+ Red Orange Color Spectrum UK. Red orange falls between red and yellow on the color wheel but is closer to red in color than orange red, a close relation. As its name suggests, red orange is a cross between the two hues.
In cmyk, orange red contains 0% cyan , 73% magenta , 100% yellow , and 0% black.
Red is at one end and blue at the other based on frequency/wavelength or the other way round and this is basically the way things are. In the rgb color model #ff4500 is comprised of 100% red, 27.06% green and 0% blue. More red than orange, it is bright and exciting and associated with physical energy. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres.