shr-color-relative-to-absolute
shr-color-relative-to-absolute is a compiled Lisp function in `shr-color.el
'.
(shr-color-relative-to-absolute NUMBER)
Convert a relative NUMBER to absolute.
If NUMBER is absolute, return NUMBER.
This will convert "80 %" to 204, "100 %" to 255 but "123" to "123".