Orange (colour) Orange (colour) Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In painting and traditional colour theory, it is a secondary colour of pigments, created by mixing yellow and red. It is named after the fruit of the same name. The orange colour of carrots, pumpkins, sweet potatoes, oranges, and many other fruits and vegetables comes from carotenes, a type of photosynthetic pigment. These pigments convert the light energy that the plants absorb from the sun into chemical
Palatinate (colour) Palatinate (colour) Palatinate or 'palatinate purple' is a purple colour associated with Durham University. It is used in the academic dress of Durham University and in the faculties of medicine and law at Newcastle University (being a former college of Durham University). The term has been used to refer to a number of different shades of purple. The Oxford English Dictionary defines it as a "light purple or lavender colour", which is used for Durham (and Newcastle) academic hoods. For corporate purposes Durham University uses a darker shade. A separate colour, 'palatinate blue', is derived from the Coat of Arms