Seaweed March 16, 2017March 7, 2017Stephen HoferCommon Colour Names Seaweed (common colour name): Brown (Hue) In the diamond trade, the name seaweed can be applied to a range of colours from olivish brown (ol-BR) through brownish olive (br-OL) that exhibit dull tones. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related