Excel 2010 and 2013 encode colors differently? And in general, where to read about the differences for different versions of the office?

Question

Visual Basic

There is a VBA script in which everything is tied to the colors of the cells. Works in Excel 2013 but not in 2010.
Tied to Cells(row, column).Interior.Color by numeric values. And these values ​​on machines from 8/2013 and XP/2010 are different. Is that how it should be? Does each version have its own color shift? The file is the same. What other differences between versions are there? Where to look?