Map value and level characters to values with with proper html tags, colors and icons.
Examples
color_lab_values(c("LOW", "LOW", "HIGH", "NORMAL", "HIGH"))
#> LOW
#> "<span style='color:blue!important'>LOW<i class='glyphicon glyphicon-arrow-down'></i></span>"
#> LOW
#> "<span style='color:blue!important'>LOW<i class='glyphicon glyphicon-arrow-down'></i></span>"
#> HIGH
#> "<span style='color:red!important'>HIGH<i class='glyphicon glyphicon-arrow-up'></i></span>"
#> NORMAL
#> "<span style='color:grey!important'>NORMAL<i class='NULL'></i></span>"
#> HIGH
#> "<span style='color:red!important'>HIGH<i class='glyphicon glyphicon-arrow-up'></i></span>"