Cyan (/ˈsaɪ.ən/ or /ˈsaɪ.æn/) is a greenish-blue color. On the color wheels of the RGB (additive) and CMYK (subtractive) color models, it is located midway between blue and green, making it the complementary color of red.Its name is derived from the Ancient Greek κυανός, transliterated kýanos, meaning "dark blue". It was formerly known as "cyan blue" or cyan-blue, and its first recorded use of as a color name in English was in 1879.