Return RGB values from Range.Interior.Color (or any other Color Property)

good to see that Mr Wyatt uses the fast method of color to RGB

R = C Mod 256
G = C \ 256 Mod 256
B = C \ 65536 Mod 256

which is many times faster than those using hex str with left mid right that some recommend

That "arbitrary" number is a mathematical combination of the RGB values (B256^2 + G256 + R) and a conversion of the hex color value to a decimal number (base 16 to base 10), depending on which way you want to look at it. Just different bases. Below is the method I use in the XLAM addin file I wrote for Excel. This method has come in handy many times. I have included the documentation in my addin file.

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'   Function            Color
'   Purpose             Determine the Background Color Of a Cell
'   @Param rng          Range to Determine Background Color of
'   @Param formatType   Default Value = 0
'                       0   Integer
'                       1   Hex
'                       2   RGB
'                       3   Excel Color Index
'   Usage               Color(A1)      -->   9507341
'                       Color(A1, 0)   -->   9507341
'                       Color(A1, 1)   -->   91120D
'                       Color(A1, 2)   -->   13, 18, 145
'                       Color(A1, 3)   -->   6
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Function Color(rng As Range, Optional formatType As Integer = 0)     As Variant
    Dim colorVal As Variant
    colorVal = rng.Cells(1, 1).Interior.Color
    Select Case formatType
        Case 1
            Color = WorksheetFunction.Dec2Hex(colorVal, 6)
        Case 2
            Color = (colorVal Mod 256) & ", " & ((colorVal \ 256) Mod 256) & ", " & (colorVal \ 65536)
        Case 3
            Color = rng.Cells(1, 1).Interior.ColorIndex
        Case Else
            Color = colorVal
    End Select
End Function