Definitions for "True Colour"
Keywords:  colour, million, nuances, bit, rgb
Colour that has a depth of 24-bits per pixel and a total of 16.7 million colours.
A term for 24 bit color (16.7 million colors – any combination of 256 shades each of Red, Green, and Blue).
See 24 Bit Colour.
Water should be virtually colourless. It is measured in Hazen Units (HU).