I will tell you how i fake my eyes "amber"

[Mortimer]

I stand infront of the window in my room, i open a little bit the curtain, and let the sun direct on my eyes

 

[Yarddog]

I thought you were going to say Chalk.

 

[Mortimer]

I thought you were going to say Chalk.

What means Chalk?

 

[Yarddog]

What means Chalk?

It was a joke on my part.

meaning chalk for drawing.

 

[Mortimer]

Nevertheless they are still "just brown" and not really "amber", green or blue. Just not quite as black anymore, the difference is, for example, you can clearly see the pupil in the iris, in some pictures you can't clearly see the pupil because the eye is so black or dark.