Color Essay

1374 words - 5 pages

     Color is sensed when white light bounces off an object and is reflected into the eye. Objects appear different colors depending on what colors were absorbed and which were reflected. Color is "seen" by the rods and cones in the eye. Cones detect color and rods detect black, white, and shades of gray. People who cannot see colors properly are colorblind. There are many different kinds of colors and they are classified in many different ways (The World Book Encyclopedia p 818, 819).
     The eye consists of many parts. The part of the eye you can see when you look at someone consists of four parts. The colored part of the eye where the light enters is called the iris. The white part around the iris is the conjunctiva and episclera. This part also contains blood vessels. The cornea is the clear covering of the iris and pupil. The cornea contains no blood vessels. The lens is located behind the iris. The lens is used to focus, as in the cornea, but the lens can move. The retina is responsible for telling the brain what a person is seeing. They determine all the different parts of what is being seen. It then codes them to electrical signals for the brain (Cassel p 4-10).
     Rods and cones are in the retina. There are three kinds of cones. Each cone can sense a different color. Rods are used when a person is in dim light (Hubel p 162). The optic nerve is what sends all these messages to the brain (Cassel p 261).
     Sometimes people have difficulty telling colors apart. This is called colorblindness (Webster's Dictionary, p 281). Sometimes colorblindness is hereditary. Other times there is a problem with the message reception from the optic nerve. Another problem can lie in the retina. People can have trouble recognizing colors because of certain drugs.
     People are diagnosed as being colorblind by taking tests. They look at different colored numbers that are in order by their color. This way they can be diagnosed as being colorblind in certain areas (Cassel p 52). A person can have different extents of colorblindness depending on what the problem is. A person can be colorblind because they have too few of a certain kind of cones or because they have too many. The more problems a person has, the more colorblind they will be (Hubel p. 172).
     Color perception varies from place to place. Some cultures have only a few colors that are distinguished from one another. Some cultures do not separate green from blue and yellow from orange. Other cultures have more specific names for things that are important to them. Eskimos have seventeen words for white because of all the snow.

Find Another Essay On Color

Hair Color Essay

1148 words - 5 pages This is the art version of the paper, I have a chemistry version also, which I will upload when I see fit. Use with pleasure. I did not cite the works on this paper. Earned an A in both Art and Chemistry, but perhaps that is because I actually did it and shocked them into giving me an A.Tom HoppTerm PaperPeriod 5Hair ColorOverviewHair coloring is both the science and art of changing the color of hair. Haircoloring includes the processes of

Color Psychology Essay

1152 words - 5 pages Color Psychology Like death and taxes, there is no escaping color. It is ubiquitous. Yet what does it all mean? Why are people more relaxed in green rooms? Why do weightlifters do their best in blue gyms? It is a well-known fact that color influences mood and feeling in common experience, however, the field of color psychology is still not well understood. Research on the psychological aspects of color is difficult for the mere reason

Color Blind

946 words - 4 pages The average human eye can detect about seven million colors, two of those seven million colors pose an important role in shaping the American culture. Blue and pink, both these colors are used in society to represent masculinity and femininity. From the moment most children are born either a blue or pink color welcomes them into our society. Children grow up in the wake of these gender specific colors. Many boys are taught not to like “feminine

Color Complexions

1107 words - 4 pages Alexandria HamricProfessor KayserEnglish 5208-01-12Color complexionsLaundry is the only thing that should be separated by color. When separating people by color, it destroys what our nation is all about. "Race discrimination involves treating someone unfavorably because he/she is of a certain race or because of personal characteristics associated with race (such as hair texture, skin color, or certain facial features)"(EEOC). It causes law

Color Purple

1368 words - 5 pages Isadora James once said “A sister is a gift to the heart, a friend to the spirit, a golden thread to the meaning of life.” In The Color Purple relationships among women are used to represent a symbol of love in a world filled of male violence. This quote is a great description of Celie’s relationships in the book because her female relationships are so much more than just friends to her. Both Alice Walker, the author of the 1982 book, and

Color Barriers

1022 words - 5 pages English B” by Langston Hughes, the author discusses the influence of dominant culture on a colored person in a school. Race is an aspect of dominant culture and the color of your skin is a barrier between dominant culture and lesser cultures, and it can be overcome by the use of education. Race is an aspect of dominant culture as it is a prejudgment of people’s classes and social standards by the assessment of their skin color. In “The Theme

Color Purple

919 words - 4 pages are not really my thing I get bored of it and then I stop watching it because I can predict what happens. This was not how this film was at all because you can’t really predict what happens it leaves you guessing the whole time and I like movies like that because I don’t get bored with them. My three favorite scenes in the Color Purple written by Alice Walker and directed by Steven Spielberg is at the very beginning with Celie and her sister Nettie

Color Purple

1027 words - 5 pages (An Evaluation on the different scenes within the movie Color Purple) Life is defined by moments and humans are defined by life. We aren’t defined in the sense of how we react to the problems that arise when it comes to our life. Some people are strong and fight. They fight for their life and for all that they stand for. They never give up and will be confident. They still have trials and problems, but they know how to make it through the

Color Blind

1485 words - 6 pages at the time. For an abusive, low-life drunk to be opposed to an educated professor gaining the same right to vote that he has just because of the color of his skin is irrational. Pap may be just one character in the novel but his thoughts are representative of the typical white members of society. Interestingly enough the Doctor believes he’s “got to have help” as he says "don't be no rougher on him than you're obleeged to, because he ain't a bad

Physics of Color Vision and Color Blindness

1902 words - 8 pages What is Color? To understand what color is, we first need to understand what light is. Light, as perceived by humans, is simply electromagnetic radiation with wavelengths between roughly 380 nm and 740 nm. Wavelengths below 380 nm and above 740 nm cannot be seem by the human eye. Electromagnetic radiation with a wavelength just below 380 nm is known as ultraviolet radiation. Electromagnetic radiation with a wavelength just above 740 nm is

Color Vision Deficiency Syndrome (Color Blindness)

744 words - 3 pages Color Vision Deficiency Syndrome, more commonly known as color blindness, is a primarily genetic disease occurring mostly in males, but can also be caused by eye injuries or chemical imbalances.Although the name color blindness sounds as though a person suffers from a complete lack of color vision, this is not the case, with rare exceptions. Color Vision Deficiency is usually a case of being unable to distinguish between two colors. Depending on

Similar Essays

Color Blindness Essay

848 words - 3 pages Color Blindness Many people refer to problems with one's ability to see color as color blindness, however, unless a person can't see any color at all, color vision problems should be called by another term. Common terms are abnormal color vision, color deficiency and color vision confusion. Females maybe be effected by color blindness, but usually they are just carriers. Males are more often affected. About 8% of males and 0.5% of

Color Blindness Essay

633 words - 3 pages Color Blindless      Color blindness is the inability to distinguish particular colors. It is generally an inherited trait, but can result from a chemical imbalance or eye injury.      There are three primary colors. They are red, blue, and yellow. All other colors are the results of different combinations of primary colors. Special visual cells, called cones, are respon-sible for our ability

Color Theory Essay

966 words - 4 pages Color theory or the study of the effects of color and the mixing of colors has been in existence since the time of Plato and Aristotle. The notebooks of Leonardo DaVinci and the writings of Leone Battista Alberti make mention of color theory principles during the 1400's. (wikipedia) With each advance in thought, technology and visual arts has come either an expansion of color theory or a innovate new approach. Theorist Charles Hayter (1761

"Color Blindness" Essay

653 words - 3 pages Color blindness is the inability to distinguish particular colors. It is generally an inheritedtrait, but can result from a chemical imbalance or eye injury.There are three primary colors. They are red, blue, and yellow. All other colors are theresults of different combinations of primary colors. Special visual cells, called cones, are respon-sible for our ability to see color. People with normal vision have three different types of cones,each