Isabelline (colour) form of leucism caused by a uniform reduction in the production and expression of melanin resulting in areas of plumage on the back of the bird, normally black, being strongly faded, or isabelline, in appearance. Isabellinism has been reported in several species of penguin. Isabelline and isabella are terms applied in Europe to very pale palomino or cremello horses, animals with a coat colour that is variously described as cream, pale gold or almost white; this is the primary usage of the French ("isabelle") and German ("Isabella") versions of the word. In horses, this colour is created by the action
Political colour colour of their political party. Blue is usually associated with centre-right or conservative parties, originating from its use by the Tory party (the predecessor of the Conservative Party) in the United Kingdom. Green is the colour for both environmentalist and Islamic political parties and movements (see green in Islam). Orange is the traditional colour of the Christian democratic political ideology and most Christian democratic political parties, which are based on Catholic social teaching and/or neo-Calvinist theology. Christian democratic political parties came to prominence in Europe and the Americas after World War II. Orange since 1989 has represented Post-Communist Democratic Revolutions