Twilight in the Sierras is a 1950 American Trucolor Western film directed by William Witney and starring Roy Rogers and his horse Trigger, along with Dale Evans, Estelita Rodriguez, and Pat Brady.
Theater poster with top billing given to Rogers and his horse Trigger, 1950
Trucolor was a color motion picture process used and owned by the Consolidated Film Industries division of Republic Pictures. It was introduced as a replacement for Consolidated's own Magnacolor process.
A scene from Romantic Rumbolia (1949). On the left is the original film as it is today (faded) and as it originally looked (color corrected).