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[1] [2] VBA is used for professional and end-user development due to its perceived ease-of-use, Office's vast installed userbase, and extensive legacy in business. Visual Basic for Applications enables building user-defined functions (UDFs), automating processes and accessing Windows API and other low-level functionality through dynamic-link ...
Light colors", more formally known as additive colors, are formed by combining red, green, and blue light. This article refers to additive colors and refers to red, green, and blue as the primary colors. Hue is a term describing a pure color, that is, a color not modified by tinting or shading (see below). In additive colors, hues are formed by ...
The two additional spot colors are added to compensate for the ineffective reproduction of faint tints using CMYK colors only. However, offset technicians around the world use the term spot color to mean any color generated by a non-standard offset ink; such as metallic , fluorescent , or custom hand-mixed inks.
The correlate for red–green (a) is the magnitude of the departure of C 1 from the criterion for unique yellow (C 1 = C 2 / 11), and the correlate for yellow–blue (b) is based on the mean of the magnitude of the departures of C 1 from unique red (C 1 = C 2) and unique green (C 1 = C 3).
Illustration of color metamerism: In column 1, a ball is illuminated by monochromatic light. Multiplying the spectrum by the cones' spectral sensitivity curves gives the response for each cone type. In column 2, metamerism is used to simulate the scene with blue, green and red LEDs, giving a similar response.
A colorimeter or a digital camera with a color filter array can, under certain conditions, be used as an alternative to a spectrophotometer. [7] [8] The illuminant and observer conditions should be specified when citing a measurement (e.g. D65/10°). [9] The quality of a colorimeter may be assessed using the means in CIE publication 179:2007. [10]
An important goal of this adjustment is to render specific colors – particularly neutral colors like white or grey – correctly. Hence, the general method is sometimes called gray balance, neutral balance, or white balance. Color balance changes the overall mixture of colors in an image and is used for color correction. Generalized versions ...
The color barn red is one of the colors on one of the milk paint color lists, paint colors formulated to reproduce the colors historically used on the American frontier and made, like those paints were, with milk. This color is mixed with various amounts of white paint to create any desired shade of the color barn red. [41]