ummm... this is just a guess, and a totally uneducated and worthless guess at that, but is it robotussin? They make more than one color, right?
gee, there is only about a hundred cough syrups with hydrocodone. Color can vary depending on manufacturer. There is Atuss, Histussin HC, Histex HC, P-V Tussin, Codiclear DH, etc, etc, etc.
its not robo, and sorry for being vague...i didnt knwo the name of it just curious cuz me and my friend drank it at his hosue recently and it got us super fucked up