The folks at Rorohiko never cease to amaze me with the cool and useful add-ons they create for InDesign. One relatively new such item is SwatchWatch, a free script you can use with InDesign CS5 and later to create a grid of color swatches in your documents. Interestingly, SwatchWatch also serves as a "Case Study" in
Maya Help, Graph Editor colors
SWATCH COLOR
Random Color Script for Adobe Illustrator
A Script to Create a Grid of Color Swatches
200+ Must-Have InDesign Scripts (Free and paid)
Add a colour palette, Pixel art
Effetto Parallax - Come simulare un effetto parallasse 3D con una semplice foto
Generate A Color Sheet (with color codes) in ONE Click on Adobe Illustrator
Extension] Palette Helper - Scripts & Extensions - Aseprite Community
jQuery Color Palette Plugins
Styling selected rows and ranges in ag-Grid
200+ Must-Have InDesign Scripts (Free and paid)
9.2. Color Tables — VisIt User Manual 3.2.2 documentation