How to convert Hex to RGB?

Question

I am trying to use this to figure out if a color is light or dark

Evaluate whether a HEX value is dark or light

Now. It takes in a int

Answer 1

calcLuminance only returns a percentage.

Answer 2

I am trying to use this to figure out if a color is light or dark

Just use Color.GetBrightness()

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[Edit]

I want to determine if I should use white or black for my text. So anything ≤ .5 I should use white and > .5 black?

There are a number of ways to determine what color to use on a given background, none of which are perfect.

That last link actually recommends using black/white only, but choosing a cutoff point of 0.73 instead of 0.5. I think you should just go with that, and change it if you find it doesn't work for you.