Though we cannot see the suns core we can extrapolate that it is very much hotter than the surface we see. Consequently it must be much brighter and at a white heat.
The sun appears yellow but it emits every color you see. We see things by the light they reflect. Some things reflect red...roses. Some reflect green...grass. If the sun didn't emit those wave...
The sun has no one color. The sun is a mixture of seven colors of light: Red Orange Yellow Green Blue Indigo Violet or Purple All of these colors fuse together to make the sun appear white. All light...