Composite Semaphore Flag for the Letter Z - Zulu

The Composite Semaphore Flag for Zulu has an indigo background, because Z is the 26th letter of the alphabet.  Reason being, 6 is coded to indigo and the ones digit value of a letter sets the colour.  As a reminder indigo (navy blue) is the sixth colour of the spectrum.  Also the stars represent the right-starboard arm of the Semaphore Signaler. 

Composite Semaphore Flag for the Letter Y - Yankee

The Composite Semaphore Flag for Yankee has a blue background, because Y is the 25th letter of the alphabet.  Reason being, 5 is coded to blue and the ones digit value of a letter sets the colour.  As a reminder blue is the fifth colour of the spectrum.  Also the stars represent the right-starboard arm of the Semaphore Signaler. 

Composite Semaphore Flag for the Letter X - X-Ray

 

The Composite Semaphore Flag for X-Ray has a green background, because X is the 24th letter of the alphabet.  Reason being, 4 is coded to green and the ones digit value of a letter sets the colour.  As a reminder green is the fourth colour of the spectrum.  Also the stars represent the right-starboard arm of the Semaphore Signaler.

Composite Semaphore Flag for the Letter W - Whiskey

The Composite Semaphore Flag for Whiskey has a yellow background, because W is the 23rd letter of the alphabet.  Reason being, 3 is coded to yellow and the ones digit value of a letter sets the colour.  As a reminder yellow is the third colour of the spectrum.  Also the stars represent the right-starboard arm of the Semaphore Signaler.

Composite Semaphore Flag for the Letter V - Victor

The Composite Semaphore Flag for the Victor has an orange background, because V is the 22nd letter in the alphabet.  The ones digit value codes for the colour and 2 is coded to orange, with black as the assigned contrast indicator.  The stars on the arm indicate the right-starboard arm of the of Semaphore Signaler.

Composite Semaphore Flag for the Letter U - Uniform

The Composite Semaphore Flag for Uniform has a red background, because U is the 21st letter of the alphabet.  The background colour is assigned to the ones digit value of the letter, which is one for Uniform.  One is coded to red and white is its assigned contrast indicator.  The stars indicate the right-starboard arm of the Semaphore Signaler.

Composite Semaphore Flag for the Letter T - Tango

The Composite Semaphore Flag for the Tango has a white background, because T is the 20th letter of the alphabet.  Background colours a calibrated to the ones digit value, and zero uses the colour white.  Black is also used because it is the assigned contrast indicator.  The stars indicate the right-starboard arm of the Semaphore Signaler.