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).
Fat â this describes the oil content in paints, for example, Burnt umber has a âlow fatâ oil content, so it is a fast drying oil paint because there is less oil in the paint mixture to oxidise and dry. Ivory black has a âhigh fatâ oil content so takes longer to dry.