heat map making a colour dissapear

I have a heatmap showing cross correlations which is most of the time zero. I wanna make that color(which is green and I am using jet) that shows zero dissapear so that I can see correlations more clearly. How can I do this?

[Image Analyst]

Can you give us some sample code to show the heatmap. Did you use the heatmap function? Did you try the colormap function?

[Selma Nur Keskin]

imagesc(1:612,1:612,MSF_cross);

set(gca,'FontSize',14, 'FontWeight', 'normal');

set(gca,'YDir','normal');

title(['Crosscorrelation with Tau=', num2str(tau)]);

xlabel('Resnum','FontSize',14);

ylabel('Resnum','FontSize',14);

axis square;

colorbar;

f6=figure(6);

f6=colormap(jet);

I used it like this, I don't know the things you mentioned :(

[Image Analyst]

Can you attach MSF_cross in a .mat file with the paper clip icon?

save('answers.mat', 'MSF_cross');