My original take on the TOS uni colors:
Gold (Green): Unrestricted Line. (Line of command)
Blue: Medical / Sciences. That one always seemed most obvious of all.
Red: Engineering, Security, and other Restricted Line specialties.
Now Spock was clearly an exception, and Kirk often referred to him as "Executive Science Officer", implying he was wearing two hats. I think Spock could have worn either gold or blue as it suited him, but he always clearly identified more as a scientist and often stated that he had no desire to command.
Scotty was another exception, and probably others when we saw someone with a red shirt sitting in the center seat. Call it plot, or whatever. Hollywood rules are made to be broken, and it was always a treat when Scotty had the bridge for whatever reason.
"Mr. Scott, you will lower those shields!"
"No sair! I will nae!"
DISCLAIMER: I didn't read through the whole thread. If I'm parroting someone else, apologies.
Gold (Green): Unrestricted Line. (Line of command)
Blue: Medical / Sciences. That one always seemed most obvious of all.
Red: Engineering, Security, and other Restricted Line specialties.
Now Spock was clearly an exception, and Kirk often referred to him as "Executive Science Officer", implying he was wearing two hats. I think Spock could have worn either gold or blue as it suited him, but he always clearly identified more as a scientist and often stated that he had no desire to command.
Scotty was another exception, and probably others when we saw someone with a red shirt sitting in the center seat. Call it plot, or whatever. Hollywood rules are made to be broken, and it was always a treat when Scotty had the bridge for whatever reason.
"Mr. Scott, you will lower those shields!"
"No sair! I will nae!"
DISCLAIMER: I didn't read through the whole thread. If I'm parroting someone else, apologies.