Political colour 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 in many countries (see the red flag, Red Army and Red Scare) while the colour orange symbolizes Christian democratic political ideology. However, the political associations of a given colour vary from country to country: red is also the colour associated with the conservative Republican Party in the United States. Politicians making public appearances will often identify themselves by wearing rosettes, flowers or ties in the
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