Looking up...
She wore a blue dress to the party.
The dress was the color of a clear sky.
a color between green and violet in the visible spectrum, typically associated with the sky or ocean
The ocean was a deep blue under the sunlight.
The water appeared dark and rich in color.
In color theory, blue is often considered a cool color.
a state of sadness or depression
He felt blue after hearing the bad news.
He was sad and downhearted.
This usage is common in informal speech and literature.
a blue-colored object or item
She bought a blue pen from the store.
The pen was colored blue.
Used to describe objects by their color.
Blue is often associated with calmness, trust, and stability.
When describing something as blue, use it as an adjective before the noun (e.g., 'blue sky').
From Old English 'blāwe', possibly from Proto-Germanic 'blēwaz', related to the color of the sky or ocean.
The word 'blue' can be used as both an adjective and a noun. In informal contexts, it can also refer to a state of sadness.