Colors with color systems have three basic characteristics: hue, purity (also known as chroma, saturation), and brightness. It is also known as the three elements of color or the three attributes
The color of the opaque body is determined by the color of the light it reflects. The object can reflect red light, and the hail is red. Black can absorb all color light so it is black.
They appear to be distributed in the retina in a Mosaic form; Its distribution is uneven, and in the fovea area of the macula, there are almost only cones. This area has high spatial resolution (
When the visual stimulation of external objects stops, the image sensation on the retina of the eye will not disappear immediately, this visual phenomenon is called visual afterimage. The occurre
Matter itself has no color. Color is not intrinsically an inherent property of the object itself, or more boldly, that anything is colorless. The reason why we see an apple is red is because the
First of all, the medium that can see the color of the object is light, the object is subject to different light, there is a Yin and Yang back and light and dark, depth, showing a three-dimensional, c
Therefore, this book tries to avoid a large number of informative introductions, and focuses on the introduction and development of color methods, the use of examples to elaborate a variet
The CIE International Lighting Committee stipulates the light source used for unified color detection, called the standard light source. With the continuous development of lighting technology, p
When the light source changes, we observe that the color of the object will change with the change of the light source and the surrounding environment, at this time, we evaluate the color of the
An object in "cool" light has a "cool phase" in its bright part and a "warm phase" in its dark part. If the color light is not obvious, it should be divided according to the strength of th
First of all, the medium that can see the color of the object is light, the object is subject to different light, there is a Yin and Yang back and light and dark, depth, showing a three-dimensional, c
The absorption and reflection ratio of the object surface to the light is relatively fixed, so the color of the object surface under natural light is called the natural color of the object
if all the white light is reflected, then it will show white. The absorption and reflection ratio of the object surface to the light is relatively fixed, so the color of the object surface under
The reason why people form the feeling of color is because of the light, but for naturally luminous objects and reflective objects, we have different principles for the formation of color feelings.
Light in physics can be defined as electromagnetic wave, people can see the light is called visible light, it is only a very narrow range of electromagnetic frequency range, wavelength range is
Light and color are inseparable, so what is the specific relationship between the two? When we conduct color detection, we often mention the importance of the light source environment during the
The solid base of the monochrome printing with deep gray level is 100 percent, and the white printing is 0 percent. Different dark and light grays are used to control the proportions. For ease of read
In fact, this is only a small part. The real difference between the two doesn't stop there. Monochrome printing can be black printing, color printing or spot color printing.
The three-color theory was proposed by the British physicist Young in 1801, and later developed by Helmholtz, collectively known as the Young-Helmholtz three-color theory. This theory starts fro
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