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
Hull Colour Pages and advertisers that it was necessary to split the directory into two separate books, business and residential. "Hull Colour Pages" continued to grow and in 1998 produced the UK's first full-colour business directory, changing the directory's name from "Hull Yellow Pages" to Hull Colour Pages in the process. After a rebrand of Kingston Communications to KC in 2010 the "Hull Colour Pages" was renamed "KC Colour Pages". In 1999 "Hull Colour Pages" launched its Online Directory which, whilst not the UK's first online directory, set the scene for further innovation when, in 2004, "Hull Colour Pages" launched the UK's first