The last Anglo-Saxon King of England, King Harold II, was succeeded by the first Norman king, William the Conqueror. In the year 1066, an invasion of French speaking peoples - Normans, Bretons, and French - swept over the British Isles. Of the six named colors in my spectrum, only four were known to the Anglo-Saxons: reád, geolu, grÉne, hǽwen. Danes probably have the best chance of understanding spoken Old English, Icelanders the best chance of understanding written Old English. You would hardly recognize this language if you heard it spoken or saw it written today. The language they spoke is called Anglo-Saxon or Old English. Orange came from 16th century French, which came from Italian, which came from Arabic, which came from Persian, which came from Sanskrit.Įnglish arose when three Germanic tribes - Angles, Saxons, and Jutes - migrated from continental Europe to the British Isles in the 5th century. Violet came from 14th century French, which came from Latin. (Garage is also an obviously French word.) The words violet and orange were the names of plants (nouns) before they were the names of colors (adjectives). Since the ʒ (zh) sound doesn't exist in Old English, orange and beige are obviously French. Some of the names for colors are loan words from French (many of which are loan words from other languages). Blue is a one syllable French word ( bleu) that replaced a two syllable Old English word ( hǽwen) eight hundred years ago. Yellow and purple are Old English color words with two syllables. Yellow, purple, and blue are exceptions to the one-syllable-equals-English rule. These words go back more than fifteen centuries. Monosyllabic words are generally the oldest words in the English language - head, eye, nose, foot, cat, dog, cow, eat, drink, man, wife, house, sleep, rain, snow, sword, sheath, God…. Brevity indicates an Old English (Anglo-Saxon) origin. The simple named colors are mostly monosyllabic English words - red, green, brown, black, white, gray.
How many colors are there in the spectrum above? How many did I name? red Somewhere between 700 THz and 800 THz the world goes dark again. It always seems to look dark compared to other sources at equal intensity. As the frequency is increased, the perceived color gradually changes from red to orange to yellow to green to blue to violet. With an adequately bright source, starting somewhere around 400 THz (1 THz = 10 12 Hz) most humans begin to perceive a dull red. (The literal meaning of this word is "single color", but the actual meaning is "single frequency".) Physicists call this monochromatic light. Let's start by determining what a typical person would see when looking at electromagnetic radiation of a single frequency. Once the visual information leaves the eye, basic physics ends and neurocognition takes over.Ĭolor is determined first by frequency. I don't feel qualified to say much about that end of this process.
Black light color spectrum software#
The neurons of the brain are probably best thought of as wetware - a fusion of hardware and software or maybe something completely different. The brain is not like a computer with fixed hardware of transistors and capacitors executing some sort of software code. They eye is very much like a camera, but the brain is not at all like a video recorder. Here's where the biology kicks in, or maybe it's the psychology, or maybe it's both. This signal is processed by the part of the brain near the back of the skull (called the occipital lobe).
Light falls on specialized receptor cells (called cones) at the back of the eye (called the retina) and a signal is sent to the brain along a neural pathway (called the optic nerve). Our perception of color is not an objective measure of anything about the light that enters our eyes, but it correlates pretty well with objective reality.Ĭolor is determined first by frequency and then by how those frequencies are combined or mixed when they reach they eye. Spectral power distributions exist in the physical world, but color exists only in the mind of the beholder. Objects don't have a color, they give off light that appears to be a color. Color is a function of the human visual system, and is not an intrinsic property.
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