How many letters does the top answer for “a light shade of red” have?

The most common answer is pink (4 letters).

Crossword clue: a light shade of red

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

pink 4 letters wn-def

a light shade of red

of a light shade of red 100% similar → pinkish

a light shade of blue 50% similar → azure, cerulean, sapphire

a light shade of grey 50% similar → silver