It means that you have three different colors. Nickname of several football teams that have three different colors, as for example Nacional of Uruguay, in Colombia is synonymous with flag on their uniforms.
tricolor is incorrectly written and it should be written as "3 colors" being its meaning: 3 colors
2 Sust. m. Mote or nickname that is known to Club Atlético Colegiales of 40 Munro;BA, Argentina 41, for its three colors: Blue, red and gold. Also, adding to its distinctive feature location: Munro Tricolor.