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 Burnt Umber offered by Matisse is a particularly rich dark warm chocolate colour. Burnt Umber is used in mixtures as a darkener of other colours, for making very dark earthy greens in mixtures with Phthalo Green or Chromium Green Oxide and in mixtures with reds to make deep Burgundy shades of colours.urnt Umber is used in mixtures as a darkener of other colours, for making very dark earthy greens in mixtures with Phthalo Green or Chromium Green Oxide and in mixtures with reds to make deep Burgundy shades of colours.