A key for the neutral tint. The associated value is a floating-point value packaged as an NSNumber object. Use this key to set or fetch the temperature and tint values. You can query this value to get the current tint value.
Available in Mac OS X v10.5 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)