I thought I would start with a rather yellow page from the 1961 text, Elements of Design by Donald M. Anderson. His research indicates that Yellow has a bad rap.
More recently, YELLOW spins positive. Color Matters notes that yellow is the “most luminous” on the color wheel. I’m not surprised that as I searched for yellow, signs were popping up everywhere. It’s a real attention getter.
It also seems to blossom earliest of the spring flowers.
Beyond that…this is what I spied from around the globe in all its yellowishness.