This is small free plugin.
Dimension Quick ColorsDimension Quick Colors is a practical tool for instantly changing the colors of dimensions and leader texts within the SketchUp environment.
This plugin significantly speeds up the visual differentiation of annotations in a model without the need for manual material adjustments in the Entity Info panel.
Key Features:
Fast Color Application: Change the color of selected dimensions or texts with a single click.
Predefined Palette: Includes 10 standard colors (Red, Blue, Green, Yellow, Orange, Cyan, Magenta, Black, White, and Dark Green).