Primary Blue(CMYK Cyan) is a bright blue gouache colour.

Primary Blue is a bright blue gouache colour. It is one of the basic primary colours. It is an opaque colour based on the intense blue phthalocyanine pigment.

Primary Blue 是一種明亮的藍色水粉顏料。 它是基本的原色之一。 它是一種基於強烈的藍色酞菁顏料(blue phthalocyanine pigment)的不透明顏色。