SCSS - Interpolation
style.scss @import "mixins" ; @include small-box ( red ); @include small-box ( pink ); @include small-box ( yellow ); @include small-box ( black ); _mixins.scss @mixin small-box ( $color ){ . small-box- #{ $color } -->#{} is interpolation { width : 50 px ; height : 50 px ; border : 1 px solid black ; color : $color ; } } Output: . small-box-red { width : 50 px ; height : 50 px ; border : 1 px solid black ; color : red ; } . small-box-pink { width : 50 px ; height : 50 px ; border : 1 px solid black ; color : pink ; } . small-box-yellow { width : 50 px ; height : 50 px ; border : 1 px solid black ; color : yellow ; } . small-box-black { width : 50 px ; height : 50 px ; border : 1 px solid black ; color : black ; } To make it better; style.scss @import "mixins" ; @include small-box ( red ); @include small-box ( pink ); @include small-box ( yellow ); @include small-box ( black ); _mixins....