Does black CRT peak consume smaller amount get-up-and-go than white?

For example, when black setting with white symbols and when white circumstance with black symbols.

Answer:
Typical 17" CRT
80 watts

Apple MS 17" CRT,
mostly white (blank IE window)
63 watts

Apple MS 17" CRT,
mostly black (black Windows desktop beside just a few icons)
54 watts

Typical 17" LCD
35 watts

Screen investor (any image on screen)
same as above (no savings)
Sleeping monitor (dark screen)
0-15 watts

Monitor turned sour at switch
0-10 watts
b'coz of the picture tube
No, the diodes are still active. They are lately black.
No, It's just attracive. And dust does not see on the black than white monitor

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