"Shades of Cool" is a song by American singer and songwriter Lana Del Rey, taken from her third studio album, Ultraviolence (2014). It was written by Del Rey and Rick Nowels, and produced by Dan Auerbach. The song was released on May 26, 2014 by Interscope Records as the second single from Ultraviolence. Lyrically, the single talks about an "unfixable" man.

"Shades of Cool" received general acclaim from music critics, who praised its musical style. A few of whom opined that the track would be appropriate for a James Bond film. Commercially, the single peaking at number 79 on the US Billboard Hot 100 and entered the top-40 of a few record charts, including Belgium, France, Italy, and Spain. A music video for "Shades of Cool" was directed by Jake Nava and was described as a film noir visual.

"Shades of Cool" was written by Del Rey and Rick Nowels, and produced by Dan Auerbach. Composed in the key of D minor, the song runs at a moderate slow tempo of 46 beats per minute. It was described as a waltz instrumented by "slow-burn" bassline, guitar, and string instruments; the track features a guitar solo delivered by Auerbach. Del Rey's vocals span from A₃ to B₅. Her "operatic" soprano vocals blending with "trademark wailing vibrato" create a ghostly atmosphere on "Shades of Cool". Chris Coplan from Consequence of Sound described the song as "a slow and slightly gloomy ballad." Meanwhile, "Shades of Cool" was characterized as a "seeping, atmospheric" ballad that contrasts the more "pop-savvy swaggering 'West Coast'" by Billboard's Colin Stutz. On the single, Del Rey sings about an "unfixable" man: "But you are unfixable / I can’t break through your world / ‘Cause you live in shades of cool / Your heart is unbreakable."

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