A centimeter is a measure of length. There are 100 centimeters in a meter. The abbreviation is cm. This image of a ruler is marked in cm along the top and inches (1 inch = 2.54 cm) along the bottom. Metric System of Measurement.
Some of the colours/colors include red, orange, blue, pink, and white. Color and colour are actually different spellings for the same word. Thus, there is no difference between the two. The only difference that exists between the two is due to different spelling conventions used in British English and American English. Colour is used in British English and color is used in American English.
1 Defining Colours is a great explanation of how RGB and other color models work. 2  It also has more info about what specific colors' names work with what browsers and CSS2. 3  Also explains the difference between RGB and HSL color spaces.