lavender
Some sports with four letters are polo,scuba and golf
Dove is a soap brand with four letters in its name.
They all have 3 letters, but "red" and "tan" have exactly 3 letters.
yellow, purple, indigo
Blue, teal, aqua(marine), gold, puce, pink, etc.
Blue, Fern, Gold, Gray, Lime, Pine, Plum, Rose, Ruby, and Soap.
Some people think letters have particular colors because they have a condition called Synesthesia. A synesthete's brain tends to associate certain letters with colors.
Yes, what is a word with four letters in it. Yes, "what" is a word with four letters in it.
lavender
Emerald
Google uses the most the logo with four different colors for the letters of the company. The colors are blue, red, yellow and green. The logo was chosen on the 31st of May 1999 and is still used.
Ohio, Iowa, Utah, and Iowa are four states that are only four letters long.
Quadrangle has four sides four angles and is ten letters long.
CornFlower
red and tan
Some foods spelled with four letters are:beefbeetbrancakecorndatefilofishflanleeklimepitaplumporkriceslawsoupstewtarttuna