How to colour plot grey

How can i make each of the three plots grey in colour.

Thanks

figure(1)

plot(Dmq1)
hold on
plot(Dmq)
hold on
plot(Dm)
hold on

[Fangjun Jiang]

figure background, axis or line?

[Prince Igweze]

figure

Answer 1

[Fangjun Jiang]

f=figure;
f.Color=[0.5, 0.5, 0.5]; %adjust the RGB for your shade of gray