A pale blue colour.

Of a pale blue colour.

A very pale blue colour.

Of a very pale blue colour.

a dark blue colour, almost black.

of a dark blue colour, almost black.

(chiefly Britain and Canada) A blue container used for the collection of household waste (such as tin cans and newspapers) for recycling by a municipal authority.

A deep, bright blue colour.

Of a deep, bright blue colour.

(uncountable) A bluish violet colour. / (countable) Viola sororia