The priest wears red vestments on Palm Sunday.
The Sunday is palm Sunday.
The priest wears red because that is the color that is called for on Palm Sunday, thus the altar should be red as well.
Violet is the liturgical color used throughout Lent. However, on the Fourth Sunday of Lent (Laetare Sunday) the liturgical color rose is allowed to be used.
Roman Catholic AnswerThe Liturgical Color for Lent is Violet.
.Catholic AnswerInstead of violet, for a funeral he can substitute white or black. On the third Sunday of Advent and the fourth Sunday of Lent he can substitute Rose.
Violet is used throughout Lent. However, on the Fourth Sunday of Lent (Laetare Sunday) the liturgical color rose is allowed to be used.
March 5, 2006 was the first Sunday in Lent.
Palm Sunday.
On Palm Sunday and Good Friday
Catholic AnswerPriests may wear rose colored vestments on the third Sunday of Advent (Gaudete Sunday) and on the fourth Sunday of Lent (Laetare Sunday). The liturgy of these Sundays is joyful, and thus the somber Violet of the season is relieved with the color, rose.
Green if it is in Ordinary time, Purple if it is in Lent.
By working backward from Easter Sunday - the forty days previous to that are "Lent". Easter Sunday is always the first Sunday after the first full moon after the Vernal Equinox.