The color of jade is the principle of light wave reflection due to the difference in light transmittance and reflectance. The color of an object under the illumination of light is the color of the object. Since various objects have different sizes, shapes, texture differences, etc., they all have the characteristic of selectively absorbing, reflecting, and transmitting light, and the color light reflected by it is the inherent color of the object.
With light, there is a sense of color, that is, color is a visual phenomenon produced by light irritating the human eye. The same color entity, in the visual, often gives a feeling of multiple colors. Different colors give different psychological tendencies, which will give people cold and warmth, expansion and contraction, light and heavy, soft and hard, gorgeous and simple, excited and calm. This is the sensory perception of color.
Hue, the appearance of a color, is the type of pigment that a certain color has. Hue is the perception of the visual system's color to an area. The perception of color is actually the perception of the wavelength of the light radiated or emitted by the visible system, ie the spectral composition of the source and the selective absorption of visible light. This feeling is similar to which of the three colors red, green and blue, or similar to the color of the combination. The hue depends on the frequency of the light waves in the visible spectrum, which is one of the most easily distinguishable colors. There are many kinds of tones, and there is a natural order: red, orange, yellow, green, cyan, blue, enamel, and purple. In this order, when people mix adjacent colors, a hue that continuously changes between the two colors can be obtained. The hue is represented by a circle on the color circle, and the colors on the circumference have the same saturation and lightness, but their hue is different. as the picture shows.
The green and colorful of the jade is ever-changing, and the small differences can show the attractive charm of emerald green. The National Standard for Jade Grade defines the definition of jadeite, the classification of jadeite, and the grading rules for natural unset and inlaid polished jadeite.
The color of the emerald green is graded according to the difference in color hue, chroma, and brightness. The description of the hue is as follows: according to the concentration of yellow and blue in the green, the color tone of the emerald green can be divided into three categories: green, green (yellowish) and green (dark blue). Green is green, yellowish, and slightly blue is the yellowish and blued in the industry.
It is green, it is also called positive color, pure green is positive green or emerald green, its essence in color, love people's favorite. The green color is noble and elegant, and it is the most ideal color tone for people. Emperor Green is one of them, it is very rich and bright green.
Yellowish, the most common color in jade. With a yellowish green yellow flavor, it will not affect the vividness of green, but it will look delicate and lively. Among them, boxwood green and green seedlings are more sought after by people. Consistent with the color of ripe golden yellow rice, it is a color dependent on survival.
Blue, also known as blue-green. Bringing blue will reduce the vividness of green. The bluish blue in the green is beautiful and very common, with great changes in depth. The greenish blue color is deep and the jade feels stronger. The emerald is often said to be this color. Blue-green is more stable, and it is said to belong to the green on the ground.
An emerald ornament consists of a color tone that is mostly composed of two or more color tones. Many high-end jadeites are bluish or yellowish in green.
The green color of jade seems to be abstract, but it is actually existed. Because it is described by visual words, adjectives sometimes cannot fully express subtle feelings. It is difficult for many beginners to grasp and distinguish. Only by observing the physical objects can we finally have a deeper understanding of green.
Positive green
Yellowish
Yellowish
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