如何在Matlab中绘制具有特定值范围的colorbar

I have a colorized lines and I want to plot the colorbar for those line with specific value. The lines are colorized by RGB value. Now I want to change the value of the colorbar to another range of value. I mean, I need only change the range of shown value in colorbar to another range. in this I have a colorized lines and I want to plot the