Chart card / signal reference
Signal Deck
Range clear 07 NM
Five-color visual code

Flags built for distance

A sea alphabet reduced to red, yellow, blue, black and white. Every block has a job: survive glare, weather and the horizon.

26 letter signals
05 flat colors

Reference grid

Hard divisions, square labels, and no ornament beyond meaning.

Alpha
Bravo
Charlie
Delta
Echo
Foxtrot
Golf
Hotel
India
Juliet
Kilo
Lima
Mike
November
Oscar
Papa
Quebec
Romeo
Sierra
Tango
Uniform
Victor
Whiskey
X-ray
Yankee
Zulu
One
Two
Flat fields only
2px chart borders
Condensed caps
This is the Maritime Signal Flags design system, applied by Curio Design — a design-style library for AI agents. Full Maritime Signal Flags guide → designbycurio.com/learn/maritime-signal-flags-ics