So, brightness = black level, contrast = white level, and the difference between the two is your actual contrast level. (techhive.com)
When analyzing black levels, it was possible to discern all but one of the difference squares in a test pattern, and with white levels every square is visible. (techspot.com)
The 2.36:1, 16x9 - enhanced transfer offers muted colours, coarse detail, and blown - out, almost solarized white levels — all intentional: This is an exquisite rendering of a challenging source, although I think the seams show in the film's digital grading more than they have since O Brother, Where Art Thou? (filmfreakcentral.net)