Colored ennemies, red colored goules, greener zombies with red eyes, colored clothes, green or red glowing tatooes, blue glowing stones cristals , wolf with white furr and some glowing parts, pillars with colored symbols, floor stones with glowing patterns.
Lights coloring cna vary using some ambient light color and slighty different point lights colors.
http://wiiudaily.com/wp-content/uploads/2012/09/trine-2-wii-u-2.jpg
http://image.jeuxvideo.com/images/x3/t/r/trine-2-xbox-360-1321536580-040.jpg
http://i11a.3djuegos.com/juegos/11808/trine_3_the_artifacts_of_power/fotos/set/trine_3_the_artifacts_of_power-3176429.jpg
http://gamestyle.com/wp-content/uploads/2013/02/trine2.jpg
http://jeuvideo.afjv.com/press_1111/111104_trine_3.jpg