figure background color in matlab

To set background color in a plot in Matlab, you can use the set function and set the 'Color' property of the 'figure' or 'axes' object. Here is an example:

main.m
% Creating a plot
x = linspace(0, 2*pi, 100);
y = sin(x);
plot(x, y);

% Setting the background color
set(gcf, 'Color', [0.8 0.8 0.8]); % for the whole figure
set(gca, 'Color', [0.95 0.95 0.95]); % for the axes only
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In this example, I first create a plot of the sine function. Then I set the background color of the figure (gcf) to light grey ([0.8 0.8 0.8]) using the set function. Finally, I set the background color of the axes (gca) to lightest grey ([0.95 0.95 0.95]).

Note that you can set the 'Color' property to any valid RGB triplet, which is a three-element vector [R G B] with values between 0 and 1 that defines the intensities of the red, green, and blue components of the color.