Speaking in astronomical terms there is no determined color for old dying stars. It just matters what type of star it is. For example, red giants like Betelgeuse or Antares are the most common stars these red giants also are in the same class as hyper giants a more massive red star. They generally go from a living bright orange to a dying dark red.
the blue star is the youngest and the largest star,.,.,.it's blue
The color of a star indicates its temperature. Blue or white stars are the hottest and smallest. Red or orange stars are the coolest and largest. Stars like our sun with a yellow color are medium in both size and temperature. Generally, the smaller a star is the hotter it is.
Trifid is a nebula, not a star. For a the largest star, see related question.
The largest type of star is a hypergiant.VY Canis Majoris is the largest known star. It is 2,100 times larger than our own Sun.
No, the sun is a star but it is not the largest star in the solar system. It is actually an average-sized star compared to others in the universe. The largest star known is UY Scuti.
The color of the star Indicates its Temperature.
sunflower star
the color of the star regulus is blue-white
The second largest star is UY Scuti, a red supergiant star located in the constellation Scutum. It is one of the largest known stars in the universe in terms of volume.
the color of the star regulus is blue-white
The color of Bernard's the star is red.
The hotter the star, the closer to white the color.