Creates a new color object whose component values are a weighted sum of the receiver’s and the specified color object's.
- macOS 10.0+
The amount of the color to blend with the receiver's color. The method converts
colorand a copy of the receiver to RGB, and then sets each component of the returned color to
color’s value plus 1 –
fractionof the receiver’s.
The color to blend with the receiver's color.
The resulting color object or
nil if the colors can’t be converted.