Back in the 6 th century BCE, a mathematician called Pythagoras (c. Pythagoras is also known for developing the Pythagorean Theorem, shown above. The number 7 has a long history in Western culture. The fact that we have settled for 7 colors is no accident. WhatвЂ™s The History Behind The 7 Colors of the Rainbow?

But, deciding that there were only seven colors and, therefore, ignoring everything that is вЂњbetweenвЂќ each of these colors has very deep historical roots. ThatвЂ™s what weвЂ™ve been told so it can be hard to see anything else. Contemporary observers may not question this, though, because we have accepted that there are seven colors. What whatвЂ™s on either side of the spectrum? Ultraviolet or UV is violetвЂ™s neighbor and infrared or IR is redвЂ™s neighbor.Д«ecause all the colors bleed into each other, settling for seven colors may seem a bit arbitrary. So, the color violet bleeds into the color indigo, the color indigo bleeds into the color blue, the color blue bleeds into the color green, the color green bleeds into the color yellow, the color yellow bleeds into the color orange, and the color orange bleeds into the color red. Looking closely at it, you will notice that each color bleeds into the one next to it. That is why a great way to observe the visual spectrum is by looking at a rainbow.Д®ven a quick look at the full-color spectrum makes it evident that the colors are not discrete categories. The most natural way to create a prism would be to use raindrops. What Is The Origin Of The 7 Colors of the Rainbow?ДЎ7 th Century English theologian, astronomer, and mathematician, Sir Isaac Newton (1642 вЂ“ 1726 or 1627), was the first person to realize that it was possible to see the view all the full-color spectrum by breaking apart white light. Color Of The RainbowД«ut thereвЂ™s a lot more to know about the colors of the rainbow other than just the order. This is probably because more ordinary people who look at a rainbow (both directly or a photograph or video recording of one) will be able to see and identify the seven colors. It is customary to list indigo as a color lying between blue and violet, but it has never seemed to me that indigo is worth the dignity of being considered a separate color.В вЂ“ Isaac Asimov.Дespite what Asimov said, it seems to have become generally accepted that the colors of the rainbow are seven and that they indeed include the color indigo. Most notably, science and science fiction writer and thinking Isaac Asimov (1920-1992) said the following about it:

There is, however, not a universal agreement of this. So, just memorizing the first letter of each color is perhaps the best way to remember them. The white light that emits from the sun can be broken down into the 7 colors of the rainbow in order: вЂ“ Mattie Stepanek What Are The 7 Colors of The Rainbow in Order? Sunset is still my favorite color, and rainbow is second. The most common mnemonic techniques are to either memorize the initials for each color in order (VIBGYOR) or turn it into a name by reversing the order ( ROY G BIV). If youвЂ™ve ever tried closing your eyes and naming those colors in the right order, youвЂ™d have found that itвЂ™s a lot harder than it may seem to get it right. In fact, most people couldnвЂ™t even name the 7 colors of the rainbow in order. But, although they are fairly common occurrences, it is remarkable how little most people actually know about rainbows. You can remember them with the acronym Roy G Biv!ДЄt one point or another, we have all seen a rainbow. The colors of the rainbow in order are red, orange, yellow, green, blue, indigo, violet.

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