Returns an NSColor object whose grayscale value is 2/3 and whose alpha value is 1.0.
Original signature is '+ (NSColor *)lightGrayColor'
Available in Mac OS X v10.0 and later.


- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)