Google chart API - legend color pie legend.textStyle

Question

Starting with the official example for a pie chart.
I can’t change the color of the legend.

'legend.textStyle': { 'color': 'gray' } 

Not taken into account.
Please check out fiddle
Am I doing something wrong?

Answer 1

I could not even get your answer to the work. Instead, I used the following:

 legend: {textStyle: {color: 'gray'}} 

Answer 2

it

 legend: {textStyle: {color: 'gray'}} 

instead

 'legend.textStyle': { 'color': 'gray' }