<===> input.scss
div {
  color: red(blue, purple);
}
<===> error
Error: wrong number of arguments (2 for 1) for `red'
        on line 2 of input.scss
  Use --trace for backtrace.

<===> error-dart-sass
Error: Only 1 argument allowed, but 2 were passed.
  ,--> input.scss
2 |   color: red(blue, purple);
  |          ^^^^^^^^^^^^^^^^^ invocation
  '
  ,--> sass:color
1 | @function red($color) {
  |           =========== declaration
  '
  input.scss 2:10  root stylesheet