The Lions first began using this logo on their helmets in the 1961 NFL season, but it would not become the primary logo until 1970.
2003–pres 1999-02 alt
The outline in this version was changed from the main Honolulu Blue color to black.
On February 1, 2017, the Detroit Lions unveiled a tweaked logo from the previous primary design. The only difference was the change in the color of the outline, going from black to silver.