The Blue Colour is used for Showing

By K Balaji|Updated : December 3rd, 2022

The blue colour is used for showing water bodies. Any accumulation of water on the surface of the earth is termed a water body such as sea, rivers, oceans, etc. Other than this, smaller accumulations of water in the form of ponds, lakes, wetlands, etc are also termed waterbodies. We know that 3/4th or 71% of the Earth's surface is covered with water while 1/4th is with land. Similarly, the way water is associated with water bodies, yellow is associated with plateaus, green with plains and brown with mountains.

Use of Blue Colour in Maps

Blue colour is a prominent colour in depicting any water body such as a river, pond, sea, ocean, lake, etc. Colours form a major role in depicting the physical features on a map. These colours have been accepted internationally by cartographers to depict the physical features on a map. Here are some colours that are used to depict the physical features:

  • Red: military sites, urban areas, roads, airports, buildings, major highways, place names, special-interest sites, and borders
  • Purple: highways
  • Brown: deserts, military reservations or bases, national parks, historical sites, and contour (elevation) lines
  • Black: place names, railroads, buildings, highways, roads, bridges and borders
  • Yellow: built-up or urban areas
  • Green: orchards, golf courses, parks, forest


The Blue Colour is used for Showing

The colour which is used for showing water bodies on maps is blue colour. Examples of water bodies include rivers, oceans, dams, lakes, streams, water channels, etc. Water is the most abundant natural resource. Every colour is associated with different natural resources for example brown is associated with mountains, yellow is with a plateau, and green is associated with plains.

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