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  • What is the difference between RGB and tristimulus values and LAB?

    In order to ensure the color quality of products, we often use professional colorimeters and spectrophotometers to test, so as to ensure that the products produced are within the preset acceptable range, so why is the measured color expressed by LAB? Instead of RGB ... [click for details]

  • What does the Lab value on the color difference meter mean

    What is the meaning of the letter Lab value on the color difference meter, L stands for black and white, a stands for red and green, and b stands for yellow and blue. In the process of using the color difference meter, we analyze at most the Lab value. To deal with chromatic aberration, learn Lab and LCH first. ...... [click for details]

  • Learn CIE 1931 Chromaticity Coordinates in Three Minutes

    The colors in the chromaticity diagram include the colors that can be obtained naturally. This is a two-dimensional plane space diagram, a plane formed by the xy rectangular system. It is designed to adapt to people's habit of discussing variable relationships in the plane coordinate system. In design ... [click details]

  • Several common color spaces

    L * C * h color space The L * C * h color space uses the same chromaticity map as the L * a * b * color space, but it uses cylindrical coordinates instead of rectangular coordinates. In this color space, L * represents brightness and is the same as L * in the L * a * b * color space, C * is the color saturation, and h is the hue angle. In ... [click details]

  • Discover subtle differences in color with a colorimeter

    Because the color difference meter is handheld, it is easy to use, fast to measure, and can be used on the production line at any time, so it is widely used. In addition, when the product is delivered, the data measured by the color difference meter can be provided as the company's quality control ... [click details]

  • Color difference meter L * a * b * introduction

    L * a * b * color space (also known as CIELAB) is one of the most commonly used color space for measuring the color of objects, which can be widely used in all fields. It is one of the uniform color spaces, which was formulated by CIE in 1976 in order to overcome a major problem of the original Yxy color space ... [click for details]

  • Color difference calculation formula commonly used in the coating industry

    The development and use of the color difference meter makes people pay more and more attention to the color detection industry. Due to the increasingly high requirements for color in modern production and life, the existence of color difference has become a product quality defect. Customers will be disgusted with this quality flaw ... [click for details]

  • Function and principle of integrating sphere

    An important component of the color difference meter is the integrating sphere. The basic principle of the integrating sphere is that the light is collected by the integrating sphere through the sampling port. ...... [click for details]

  • Meaning of LAB value on color difference meter

    1: Brief introduction of CIE (International Commission on Illumination) Lab color space: L: (brightness) axis represents black and white, 0 is black, 100 is hundred a: (red and green) positive value of the axis is red, negative value is green, 0 is neutral . b; (yellow blue) The positive value of the axis is yellow, the negative value is blue, and 0 is neutral. All colors are available ... [click details]

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