It’s all of them. The sun emits all colours of light in teh visible spectrum, as well as lots of light we can’t see (infra red, ultra violet and beyond). The atmosphere filters out some of this light, but most of it still gets through.
[This is the solar spectrum, both in space and in the atmoshere.](https://www.researchgate.net/profile/Anna-Dal-Farra/post/What_range_of_the_solar_radiation_spectrum_impacts_the_most_on_the_albedo_of_a_surface_is_400-800_a_good_estimate/attachment/59d622616cda7b8083a1bffe/AS:273843313152001%401442300741958/download/2000px-Solar_spectrum_en.svg.jpg)
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