2.1.1268 Part 4 Section 126.96.36.199.21, lumOff (Luminance Offset)
For additional notes that apply to this portion of the standard, please see the notes for blue, §188.8.131.52.4(a) .
a. The standard states that element lumOff shifts the input color's luminance while leaving hue and saturation unchanged.
This element is not supported by Office and may produce unexpected color.