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).
umber is not one precise color but a range of different colors from medium to dark from yellowish to reddish to grayish the color of the natural earth depends upon the amount of iron oxide and manganese in the clayumber earth pigments contain between five and twenty percent manganese oxide which accounts for their being a darker color than yellow ochre or siennahe color of the natural earth depends upon the amount of iron oxide and manganese in the clay umber earth pigments contain between five and twenty percent manganese oxide which accounts for their being a darker color than yellow ochre or sienna