How many letters does the top answer for “wrote colors” have?

The most common answer is hopper (6 letters).

Crossword clue: wrote colors

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

hopper 6 letters wd-fact-v3

funnel-shaped receptacle; contents pass by gravity into a receptacle below

wrote the color of money 67% similar → scorsese

wrote the color purple 67% similar → busia, goldberg, walker

wrote 1q84 50% similar → murakami

wrote 2666 50% similar → bolano

wrote 4 3 2 1 50% similar → auster

wrote q11368 50% similar → kernighan, ritchie

wrote q13415681 50% similar → hamill

wrote q134773 50% similar → zemeckis