The colour of a ratio that is an anchor rather than a level (0, 1, 2, 3 are
where the measured leg starts and ends, or whole multiples of it) and of any
ratio the convention does not name. Neutral on purpose: it is the reference
the coloured levels are read against.
The colour of a ratio that is an anchor rather than a level (0, 1, 2, 3 are where the measured leg starts and ends, or whole multiples of it) and of any ratio the convention does not name. Neutral on purpose: it is the reference the coloured levels are read against.