We have a big application on the site and we have a few links which are, let\'s say blue color like the blue links on this site. Now I want to make some other links, but wit
Use the filter pure CSS property. for a complete description of the filter property functions read this awesome article.
filter
I had a same issue like yours, and I fixed it by using the brightness function of filter property:
brightness
.my-class { background-color: #18d176; filter: brightness(90%); }