html: Make GetColor() working in lower case.
html: Make GetColor() working in lower case.

To be consistent with the rest that works in lower case now.

Change-Id: I6fe40e71393230bbde8e283b1f98479bf644c610

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core