Pronunciation: [skˈa͡ɪ blˈuː] (IPA) 
Sky blue is a commonly used color term to describe the hue of the sky on a clear day. In phonetic transcription, it is spelled /ˈskaɪ blu/, with the first syllable pronounced like "sky" and the second syllable pronounced like "blue". The "y" sound in "sky" and the "u" sound in "blue" create a rhyming effect. Overall, "sky blue" is a visually descriptive term reflecting the color one associates with the open sky.
Sky blue is a color that is reminiscent of the hue of the clear sky on a clear day. It is a light shade of blue that is often associated with a sense of tranquility, serenity, and vastness. The term "sky blue" is derived from the visual perception of the color of the sky itself, specifically during daylight hours when the sky is not obscured by clouds or other atmospheric factors.
The color sky blue typically falls within the blue color spectrum, being a color that possesses a medium to high saturation level. It can be described as a light, pale, or pastel blue with a subtle hint of green or cyan, resembling the pristine color of the daytime sky. This shade of blue is often used to represent clear skies, calmness, and open spaces, evoking a sense of peace and freshness.
Artistically, sky blue is often used as a primary or accent color in landscapes, seascapes, and representations of open spaces. It is commonly found in various applications such as interior and exterior paint, textiles, fashion, and graphic design. Additionally, sky blue can encompass different variations and shades depending on the specific context and perception of the individual observer, as it may appear slightly different depending on lighting and surroundings.
The word "sky blue" is a compound term consisting of "sky" and "blue". The word "sky" originated from the Old Norse word "skaer" or "ský", which means "cloud". The word "blue" originates from the Old French word "bleu", and ultimately from the Old High German word "blao". Therefore, "sky blue" combines the concept of the sky with the color blue to describe a shade that often resembles the color of a clear sky.
