Catechism of the Catholic Church §1685 — excerpt
The different funeral rites express the Paschal character of Christian death and are in keeping with the situations and traditions of each region, even as to the color of the liturgical vestments worn.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.
Also cites: SC 81