"Out of the blue" is an idiomatic expression that means something happens unexpectedly or without any warning. It often describes surprising events or occurrences that seem to come from nowhere. For example, receiving an unexpected phone call from an old friend can be described as happening "out of the blue."
Blue is a color.
Light blue
what dose the blue me an
it means the blue shirts
Nothing. there is no blue light.
It means blue in German
IT means for blue
Blue means relaxed.
Do you mean like this? Pale blue sea blue dark blue steel blue
blue = loyalty red = bravery white = courage
Please clarify your question: do you mean the color, blue or the mood, blue?
That Blue Blue Sky