convert rgba color codes 255,255,255,255 to kivy color codes in 1,1,1,1

I think you can just divide it by 255:

float_color = color / 255.0

Though this doesnt really answer the question, but another simple way is using kivy's hex feature , an example in kv lang:

#:import hex kivy.utils.get_color_from_hex
    canvas:
        Color:
            rgba: hex('#03A9F4')

To avoid some divisions and speed up:

http://www.corecoding.com/utilities/rgb-or-hex-to-float.php

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