The phrase evokes a visual phenomenon where the sky, particularly during sunrise or sunset, displays a palette of soft, pastel colors resembling the confection. These hues, often including pinks, purples, and light blues, are created by the scattering of sunlight by atmospheric particles. An example would be observing a gradient of rosy and lavender tones stretching across the horizon as the sun sets.
The significance lies in its ability to inspire a sense of wonder and tranquility. Such displays of atmospheric optics are frequently associated with positive emotions and can be a source of aesthetic appreciation. Historically, observations of sky color have held cultural importance, often interpreted as omens or incorporated into artistic expressions.