Shamelessly ripped from Raymond @ TheNewOldThing
get the color of a SOLID brush
#include <WinAPIGdi.au3> ;CreateSolidBrush
#include <WinAPIHObj.au3>
Local $hBrush = _WinAPI_CreateSolidBrush(0xFFDEDEFF)
ConsoleWrite("Brush Color = 0x" & Hex(_GetBrushColor($hBrush)) & @CRLF)
_WinAPI_DeleteObject($hBrush)
Func _GetBrushColor($hBrush)
;https://devblogs.microsoft.com/oldnewthing/20190802-00/?p=102747