How to Say "crimson" in Spanish
The Spanish word for “crimson” is “roja” — A1 level. This is a very common word in everyday Spanish.
English → SpanishA1
AdjectiveA1
deep red color

Examples
Mi bicicleta nueva es roja y negra.
My new bicycle is red and black.
La capa roja de Caperucita es famosa.
Little Red Riding Hood's red cloak is famous.
Ella tiene los ojos rojos por el cansancio.
She has red eyes from tiredness.
Gender Agreement Rule
'Roja' is the feminine form of the color. You must use 'roja' when describing feminine things (like 'casa' or 'flor'), and 'rojo' when describing masculine things (like 'coche' or 'libro').
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