There are 5 recognized subspecies of the Saffron Finch (Sicalis flaveola).
The one occurring in the Santa Marta region and the Andes of Colombia is Sicalis flaveola flaveola.

1st photo: Pereira area, Colombia, 21 June 2015
2nd photo: Arauca area, Manizales, Colombia, 24 June 2015
3rd photo: El Km 18 Road, Cali area, Valle del Cauca, Colombia, 12 June 2016
4th & 5th photo: El Dorado Lodge area, Sierra Nevada de Santa Marta, Colombia, 31 October 2014