I love the color yellow, it's so bright and perfect for the current season. 
Yes it is nice. Too bright for me though. It was the color associated with the Pope and the golden keys.
It can certainly make things stand out. I did not know that about the Pope, I guess I could see that too. 
The yellow color you see in most things are the result of carotenoids, it gives them the yellow color.
I did not know that as well. The color usually makes me think of the Sun, morning, and certain kinds of flowers.
The color can be very pretty on certain things. The sunlight has a yellow hue due to the temperature of the sun.
I think it usually goes well with the color green and different shades of green.
as egg yolks, buttercups, and bananas. They absorb light energy and protect plants from photodamage. Sunlight has a slight yellowish hue when sun is near a horizon, due to atmosphere scattering shorter wavelengths (green, blue, and violet).
Because it was widely available, yellow ochre pigment was one of the first colors used in art; the Lascaux cave in France has a painting of a yellow horse 17,000 years old. Ochre and orpiment pigments were used to represent gold and skin color in Egyptian tombs, then
in the murals in Roman villas. In the early Christian church, yellow was the color associated with the Pope and the golden keys of the Kingdom, but was also associated with Judas Iscariot and was used to mark heretics. In the 20th century, Jews in Nazi-occupied Europe were forced to wear a yellow star. In China, bright yellow was the color of the Middle Kingdom, and could be worn only by the Emperor and his household; special guests were welcomed on a yellow carpet.
According to surveys