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The Munsell color system, showing: a circle of hues at value 5 chroma 6; the neutral values from 0 to 10; and the chromas of purple-blue (5PB) at value 5. In colorimetry, the Munsell color system is a color space that specifies colors based on three properties of color: hue (basic color), value ( lightness ), and chroma (color intensity).
ISCC–NBS system. The ISCC–NBS System of Color Designation is a system for naming colors based on a set of 13 basic color terms and a small set of adjective modifiers. It was first established in the 1930s by a joint effort of the Inter-Society Color Council (ISCC), made up of delegates from various American trade organizations, and the ...
The color purple, as defined in the X11 color names in 1987, is brighter and bluer than the HTML/CSS web color purple shown above as purple (HTML/CSS color). This is one of the very few clashes between web and X11 colors . This color can be called X11 purple . Veronica prostrata, for which the color veronica is named.
An element C of H color is a function from the range of visible wavelengths—considered as an interval of real numbers [W min,W max]—to the real numbers, assigning to each wavelength w in [W min,W max] its intensity C(w). A humanly perceived color may be modeled as three numbers: the extents to which each of the 3 types of cones is stimulated.
In color theory, the line of purples or purple boundary is the locus on the edge of the chromaticity diagram formed between extreme spectral red and violet. Except for these endpoints of the line, colors on the line are non-spectral (no monochromatic light source can generate them). Rather, every color on the line is a unique mixture in a ratio ...
An IT8.7 Target by LaserSoft Imaging used for color management of digital cameras or scanners. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or color-matching fans. Typically there are two different types ...
Dark reddish purple. B: Normalized to [0–255] (byte) The color Japanese violet or Sumire is shown at right. This is the color called "violet" in the traditional Japanese colors group, a group of colors in use since beginning in 660 CE in the form of various dyes that are used in designing kimono.
Periodic tables usually at least show the elements' symbols; many also provide supplementary information about the elements, either via colour-coding or as data in the cells. The above table shows the names and atomic numbers of the elements, and also their blocks, natural occurrences and standard atomic weights. For the short-lived elements ...