Romulan Imperial Fleet uniform

Romulan Imperial Fleet uniforms were worn by individuals who served in the Romulan Imperial Fleet. In the 23rd and early-24th centuries, the wearer's department or speciality was denoted by a particular colour worn on the right side of the uniform, and their rank by stylised starburst insignia pinned to their collar. (, et al. )

Mid 23rd century
In the mid-to-late 2260s, the standard uniform consisted of a tunic made of a black and gold chequered fabric, with knee-length trousers in the department or speciality colour, a black undershirt, belt and boots. Depending on rank or position, a department coloured sash was worn over the right shoulder. Females could also wear a mini-skirt instead of the trousers which was made of the same black and gold fabric as the tunic. The right side of the female's tunic would be in the colour of their department. 

Department colours

 * Red - Command officers
 * Dark blue - (uncertain)

Early 24th century
In the early 2310s, the standard Imperial Fleet uniform was made of black and silver mesh-effect fabric, reminiscent of chain-mail. The colour of the right sleeve and a sash worn on the right side of the uniform denoted the wearer's department or speciality. 

Department colours

 * Royal purple - High level command and flag officers
 * Jade/pale green - Tactical officers
 * Grey - Sciences and technical specialists
 * Dark blue - Engineering