Colours Ro, ro. Rotate your colours. Ro, ro. Rotate your colours. Ro, ro. Rotate your colours. Rotate your colours for science. [Reference] This is hue rotation which is done in degrees of a circle e.g. 0 and 360 are the same. Click a roation below to change the colour of this website. It's instantly saved with a cookie that lasts 4 weeks so every page on this site keeps the same colours. 0 degrees 45 degrees 90 degrees 135 degrees 180 degrees 225 degrees 270 degrees 315 degrees