Definition of "palette"

palette

/ˈpælɪt/

noun
plural palettes
1. (painting) A thin board on which a painter lays and mixes colours.
2. The range of colors in a given work or item or body of work.
  Quotations
  The unified colour palette of reds, blues, and yellows used throughout the signage matches that of the institution’s logo and letterhead.
  2019, Li Huang, James Lambert, “Another Arrow for the Quiver: A New Methodology for Multilingual Researchers”, in Journal of Multilingual and Multicultural Development, page 5
3. The range of tones or tone colors in a given musical composition or performance.
4. A set of makeup including a variety of colors, often packaged together in a tray.
5. (computing, graphical user interface) A visual selection of colours, tools, commands, etc.
  Quotations
  It would be extremely beneficial to have the right subassemblies with the parameters already set available on your tool palette.
  2011, James Wedding, Dana Probert, Mastering AutoCAD Civil 3D 2009, page 394
6. (historical) A plate of armour covering the points of junction at the bend of the shoulders and elbows.
7. A plate against which a person presses their chest to give force to a hand-operated drill.
8. The tincture palettes used for coloring flags and coats of arms.