This element's name comes from the Latin for "charcoal," and it is related to "a coal."
Carbon
15
This element's name combines both French and Latin, meaning "I make water," which it does with Oxygen.
Hydrogen
15
The dye of this greenish dark blue color originates from the plant of the same name. The plant was an export of the southern colonies during the 17th and 18th centuries.
Indigo
15
The number of colors in the spectrum of the rainbow
7
10
Technically, these two are shades because they augment colors (make them greater).
Black and White
10
A varied mixture of the colors red, yellow, and blue
Brown
5
The ocean has its color because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the part of the light spectrum that belong to this primary color.
Blue
5
The color that means GO on the traffic light
Green
5
The color made from the following: Orange - Red = ?