additive model color color theory color wheel subtractive wheel additive subtractive model abstract colour colourful colours crystal edge flake flakes Fractal fractals math mathematic shape shapes sharp snow sundfractals theory wedges art background bigbang bigbang theory blur bright lights creation effects explode explosion galaxy lights night rays space spark street street lights universe big bang theory black blue creation science eternity futuristic god graphic illustration in the beginning milky way nebula nebulae outer space purple render science skies spiral stars swirl wonder worlds bar childrens game construction cross dash drawing drawing riddle game geometic graphic line graphs theory line line drawing lines paint game painted house painting riddle strike stroke this is the house of santa claus under construction vector beautiful cloud deep exploration heavens red sci-fi science fiction sky space travel twinkle dez pain system xymonau yellow antique city contour decoration design discover distort distortion dual duality electricity elegance element hidden historic house illumination iron lamp lamppost lantern light object old perspective philosophy physics real reality relative relativity reveal shadow silhouette sketch street-lamp streetlamp streetlight surprise symbol symbolic uncover unreal urban vintage wall astronomy electromagnetic interstellar molecular plasma