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 umber.he 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 umber.