Green.
Green is the color of a square shaped daymark.
Green is a square shaped daymark buoy.
Square daymarks are always green and indicates the left side of the channel as the boat moves upstream. A triangular daymark is always red and marks the right side of the bank.
You are boating near shore at twilight. You see a square-shaped daymark. You cannot make out the marker's color. What color is it?
Keep marker on your port (left) side.
Daymarkers are red triangles with green squares.
Daymarkers are red triangles with green squares.
Daymarkers are red triangles with green squares.
You are boating near shore at twilight. You see a square-shaped daymark. You cannot make out the marker's color. What color is it?
red
red