If your blog is looking poor,dull and lacking attracting the visitors,then you will have to spice it up a little bit by changing the colors of sidebars,header,blog posts, trying different combinations and see which color combination best fits your blog.


You can change the color of the blog background,sidebar,etc...by going to(see the below image).





But blogger provides limitied color codes.So,if you want another color that is not in that blogger list,then simply copy the code from the colour chart as show below.