coolant temperature sensor 1.8t agu which color?

[GeoA3]

i just replaced my old sensor blue one with new green one (square 4 in), all seems works fine no problems till now .
in etka their is only green and not blue
should i get blue or i can use green one?

 

[vrbob]

never heard of a blue one only ever seen green

 

[aragorn]

they used to be blue (and black before that)

they're all green now.

 

[GeoA3]

ok i see thankss