added support for PlaceholderAPI:
%chatcolorpremium_chat_color%
%chatcolorpremium_tab_color%
%chatcolorpremium_sign_color%
%chatcolorpremium_font%

%chatcolorpremium_chat_color_name%
%chatcolorpremium_sign_color_name%
%chatcolorpremium_name_color_name%
%chatcolorpremium_tab_color_name%
%chatcolorpremium_name_color%

note: you probably need to /papi ecloud download chatcolorpremium