Color My World is one of the original tracks shipped with the very first maimai arcade release on July 11, 2012, making it a piece of the series' foundation. The song is a smooth-jazz arrangement of Ludwig van Beethoven's Piano Sonata No. 8 in C minor, Op. 13, the "Grande Sonate Pathétique", one of the composer's three most celebrated piano sonatas alongside the "Moonlight" and the "Appassionata." The arrangement was handled by Susumu Tsukagoshi (credited as GOSH), who brought a similarly classical-to-contemporary approach to another early maimai original, "True Love Song." Lyrics in English were penned by Marc Cellucci and sung by Hiromi Seguchi (瀬口寛美), a jazz vocalist whose warm, restrained delivery steers the track toward an after-hours lounge mood rather than the high-energy electronic sound that dominates much of maimai's early catalog. The result is a mid-tempo piece (94 BPM) with a gently swung rhythm, unhurried melody, and lyrics about finding resilience and color in a gray world. During the game's location test, the track was titled simply "Pathetique," had no vocals, and was credited to "クラシックアレンジ" (Classic Arrangement). The final version's polished production, with its moody piano, soft percussion, and Seguchi's smoky vocal phrasing, stands as an early example of maimai's willingness to feature genre crossover arrangements alongside its more conventional rhythm-game fare.