Question

Why are colours used in map ? What are the main colours used in topographical maps, and what do they indicate?​

Answer 1

The color brown is used to denote most contour lines on a map, which are relief features and elevations. Topographic maps use green to denote vegetation such as woods, while blue is used to denote water features like lakes, swamps, rivers, and drainage.

Answer 2

Color is a very useful attribute to depict different features on a map. Typical uses of color include displaying different political divisions, different elevations, or different kinds of roads.

Topographic Map Colors

The color brown is used to denote most contour lines on a map, which are relief features and elevations. Topographic maps use green to denote vegetation such as woods, while blue is used to denote water features like lakes, swamps, rivers, and drainage.

Reading Topo Maps: Understanding Map Symbols and Colors

RED -Overprinted on primary and secondary roads to highlight them. ...BLACK -Manmade or cultural features.BLUE -Water-related features.BROWN -Contour lines and elevation numbers.GREEN -Vegetation features.WHITE -Sparse or no vegetation. ...PURPLE -Denotes revisions that have been made to a map using aerial photos.