color solid
three-dimensional representation of a color space or model; can be thought as an analog of the one-dimensional color wheel, which depicts the variable of hue; or the 2D chromaticity diagram, which depicts the variables of hue and spectral purity
en-GB/kɒlə ˈsɒlɪd/
en-US/ˈkɔlɚ ˈsɑlɪd/