[HELP] modding font colour touchwiz secmms.apk

i am on stock deodexed jb 4.1.2
can anyone tell me how to CHANGE THE FONT COLOR in the received and sent texts??
i want to make it white, and i will change the bubbles to match with backgorund

already tried this method as told by a dev
decompile twframework-res.apk, open \res\values\colors.xml
find the line: <color name="tw_color002">#ffefefef</color>
change the colour to #ff000000 (to make the text black)
and then recompile twframework-res.apk

but didnt work...HELP PLEASE