Orange (colour) colours on a television or computer screen), orange is generated by combining high intensity red light with a lower intensity green light, with the blue light turned off entirely. Orange is a tertiary colour which is numerically halfway between gamma-compressed red and yellow, as can be seen in the . Regarding painting, blue is the complementary colour to orange. As many painters of the 19th century discovered, blue and orange reinforce each other. The painter Vincent van Gogh wrote to his brother Theo that in his paintings, he was trying to reveal "the oppositions of blue with orange, of red
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