Vertex Color Tools

This simple tool allows assigning vertex color and alpha values to selected faces directly in Edit Mode, as well as change the order Vertex Color Layers. Works in blender 2.80+

Installation process is standard:
1. Launch Blender.
2. Edit -> Preferences -> Add-ons -> Install.
3. Locate the downloaded file of the add-on, select it and press "Install Add-on".
4. As soon as it appears in the add-on stack, tick the box to "Enable Add-on".
It is located in the 3D Viewport, while in Edit Mode, open the N-Panel, and you shall find it in "Tool" Tab -> "Vertex Color Assign" Panel.
5. Verex Color Layer Reordering is in the Object Data Properties section, under Vertex Colors Layer List.

In order to see changes as_you_go - switch the shading mode to "Vertex" in the top right drop down Shading Properties Menu.