The red vs. white thing is probably a simplification invented for the purpose of James Cameron's movie.
According to the regulations in effect at the time of Titanic's disaster, the color of the rockets did not matter. What mattered was that they should have been fired one at time, at "short intervals", to produce a visual distress signal. Another way was to fire a gun or other explosive material in one minute intervals, thus generating a sound distress signal. The rockets used on Titanic produced both banging sound and a visual effect, so they could have been used both ways.
One of the theories is that the Titanic's crew did not know these regulations and fired rockets in some random intervals, possibly confusing captain Lord on the Californian.
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Section 114
ther titanic was deep navy blue, but sice its been ubder water for 97 years, now its white and soft deep blue.
The bottom half was gray, the 2nd layer to the top was white and the top layer was light blue!
The Titanic could have been saved by another ship but the messager on that ship had gone to bed a few minutes before the titanic sent out the distress call.The Californian was the closest ship to the Titanic at the time of the sinking. There are accounts by Titanic officers that they could see her on the horizon, and could see her running lights. She had stopped for the night and her wireless operator had retired for the evening. Attempts to flash her via Morse lamp (these were located on the bridge's wing cabs, on both port and starboard sides, next to the red and green running lights) were unsuccessful, and she only learned of the terrible tragedy the next morning, when her marconi operator manned the set. To answer the question, had the Californian's wireless operator been awake at the time Titanic sent out distress calls, 1,500 people may not have lost their lives that day.