What is the name for a set of color signatures arranged in a recognizable pattern?

The correct answer is a color palette, which refers to a set of color signatures arranged in a recognizable pattern. A color palette is commonly used in design and art to provide a cohesive and harmonious combination of colors that work well together. It can be a physical selection of paints or digital swatches used in software applications.

In various contexts, a color palette allows artists, designers, and developers to maintain consistency and aesthetic appeal across their work. The arrangement of these colors in a specific pattern makes it easier to visualize how the colors interact and complement each other, which is essential for effective design.

Other options describe different concepts: a color chart typically refers to a visual guide for mixing or selecting colors, a color code refers to a system for labeling colors in a systematic way, and a color histogram is a graphical representation of the distribution of colors in an image. These alternatives do not encapsulate the idea of a collection of colors organized for aesthetic or functional purposes in quite the same way as a color palette does.