Plot colour issue - Strange change of shade

[steve wood]

Hi all,

My apologies if my issue is due to my inexperience and is a simple fix but I
only started using Octave (or any software of the type) yesterday. 

The colour in my graph appears strange and seems to have different shades or
go greyish (see image). I just want it to be the same shade of dark green
all along. Is there too many datapoints or something like that ?

>> plot(x, y, "color", [0, 0.45, 0], "linewidth", 3);

Many thanks,


<https://octave.1599824.n4.nabble.com/file/t373672/Octave_Graph.png> 



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