plot change color matlab code example

Example 1: figure bachground matlab color

set(gcf,'color','w');

Example 2: matlab plot colors

'y' yellow
'm' magenta
'c' cyan
'r' red
'g' green
'b' blue
'w' white
'k' black

Example 3: plot background color matlab

set (gca, 'Color' , 'k' )