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).
the color shown in the box at right is one of the many commercial varieties of umber from the iscc nbs color list iscc nbs dictionary of color names 1955 color sample of umber color sample 61 limonite or hydrated iron oxide is the basic ingredient of the earth pigments ocher sienna and umberhe 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