1 Coil (chemistry), a tube used to cool and condense steam from a distillation.  Coil spring, used to store energy, absorb shock, or maintain a force between two surfaces.
Umber RGB Color Code: #635147. The hexadecimal RGB code of Umber color is #635147. This code is composed of a hexadecimal 63 red (99/256), a 51 green (81/256) and a 47 blue component (71/256). The decimal RGB color code is rgb(99,81,71).
Black mixed with yellow will give you an earthy green color. Also, do not add blue, as blue and yellow combine to create green. Burnt umber is an earth tone that is good to use to darken a cream color. You can also add a bit of violet or purple to create varying shades of cream.