Hello
I have a grid where the backcolor is set at runtime using the dynamicbackcolor property

I need to make the text readable no matter the back color. I tried setting dynamicforecolor to bitxor(dynamicbackcolor, rgb(255,255,255)), but the results are disgusting

I want to set dynamicforecolor to black if the back color is light and to white if the back color is dark. But I cannot find a function that reliably tells me the "intensity" or "luminance" of the color...

Thanks!