A further quote from Manuals of Style this time from the section which directly addresses the issue of mixed or noncapitalised  For trademarks that are given in mixed or noncapitalization by their owners such as adidas follow standard English text formatting and capitalization rules  The mixed or noncapitalized formatting should be mentioned in the article lead or illustrated with a graphical logo  Standard English text formatting and capitalisation rules would render GReeeeN as Greeeen plain and simple Its not even possible to use CamelCase as a defence as its capitalisation for capitalisations sake within a single word Im not quite sure how much clearer I can make this