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PsychoPi drawing gray instead of black

Coding
#1

I’m building an ElementStim object and pass it color [0, 0, 0]. I would expect this to be black. However it is drawn as gray. Anyway to fix this/

Thanks1

#2

The default RGB space in psychopy actually goes from [-1 1], so 0 would be gray. There’s more information here:

https://www.psychopy.org/general/colours.html

#3

@Ge0rges Type black in the field.