Open a document in Word, select some text, and then record a macro. Click the Font Color icon on the Home tab of the Ribbon. Choose a bunch of different colors, and then stop the macro recording. You'll have the color values in the recorded macro, like this:
Code:
Sub Macro20()
'
' Macro20 Macro
'
'
Selection.Font.Color = -553582593
Selection.Font.Color = -704577537
Selection.Font.Color = -553598977
Selection.Font.Color = -687800423
Selection.Font.Color = wdColorRed
End Sub