I love blue ,like the blue skie
I like blue as well. It is one of the three primary colors, along with green and red.
Blue signifies a lot of this,its an adjective that qualifies a noun
Blue lies between green and violet on the spectrum of visible light. It is also the color the sky appears.
The rainbow has many colors ,do you know how many?
Well rainbows have a gradient of colors. I don't know how many but there are quite a few.
Have you heard of blue ray ?
Blu-ray
Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format. It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition (HDTV 720p and 1080p) and ultra high-definition resolution (2160p). The main application of Blu-ray is as a medium for video material such as feature films and for the physical distribution of video games for the PlayStation 3, PlayStation 4, and Xbox One.
Blue
Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model. It lies between violet and green on the spectrum of visible light. The eye perceives blue when observing light with a dominant wavelength between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; azure contains some green, while ultramarine contains some violet. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering.