Yellow evokes the shine of the sun and is found throughout nature and the man-made world as a color that commands attention. This highly visible hue is found on everything from bumblebees to school buses, traffic signs to highlighters. Misbehaving soccer players are shown yellow as a warning, and Tour de France racers know the man in yellow is the rider to beat.
Here, a woman in Diafarabe, Mali, holds her brilliant yellow scarf against a deep blue African sky. Her landlocked country is a desert land that was once a hub for ancient Saharan caravan routes.
A yellow boat hull is reflected at the waterline in Quebec’s Forillon National Park. This oceanside park is located at the farthest tip of Gaspe Peninsula.
A time-lapse photo captures the wispy steam and yellow glow of the Georgia-Pacific paper mill in Brunswick, Georgia, at night. The mill is surrounded by the wetlands of poet Sidney Lanier's "Marshes of Glynn."
A brightly painted train engine stands under a deep blue sky in Santa Fe, New Mexico. The Santa Fe Railroad, one of America's most famous, merged with the Burlington Northern Railroad in the mid-1990s.
Pink flowers and a hand-painted sign advertising treasures adorn a yellow-and-red building in San Miguel de Allende, Mexico. The city's beauty and mild climate have attracted many foreign residents.
Red tears of sweat stream down the yellow-painted face of a Huli wigman in Papua New Guinea. His elaborate costume, donned for a ceremonial welcoming dance called the sing-sing, also includes a dramatic wig of human hair.
Sunflowers like this one in Asheville, North Carolina, are prized for their beauty but also for their seeds and oil. The flowers are unusual among crops because they were first domesticated in North America.
A yellow-shafted flicker leaves its nest in a forest in the United States. Flickers are woodpeckers that can hammer trees but prefer to forage on the ground. They often dig in the dirt for ants.