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).
- Ochre: Colors of Provence. Since prehistoric times the naturally occurring colors of ochre, sienna, & umber have been brightening up the world around us, and caveman paintings done in sienna still survive today.Ochres occur in various shades and colors, generally ranging from yellow to red to brown. Ochre: Colors of Provence. Since prehistoric times the naturally occurring colors of ochre, sienna, & umber have been brightening up the world around us, and caveman paintings done in sienna still survive today.