Political colour most commonly associated with liberalism. It is the official colour of the Alliance of Liberals and Democrats for Europe (ALDE), as well as being the colour of liberal parties in Germany, Romania, Estonia and the United Kingdom (the Liberal Democrats). Yellow or gold, usually together with blue or purple, is also often used to represent right-libertarianism and classical liberalism. Notable national political colour schemes include: Political colour Political colours are colours used to represent a political party, either officially or unofficially. Parties in different countries with similar ideologies sometimes use similar colours. For example, the colour red symbolises left-wing ideologies
Colour cast used to reduce the blueish tint caused by daylight. Blue filters reduce the orange colour caused by incandescent light. A variety of coloured filters in varying degrees of intensity are available. Kodak's amber filters, for example, vary from palest yellow ("81C") to deepest amber ("85B"). A photographer chooses which filter to use based on the quality of the ambient light. Colour temperature meters can read the temperature of the existing lighting conditions and guide the selection of the filter. Clouded sky, for example, requires a paler amber than clear blue sky. If a filter is unavailable, flash is an alternative