A piece of software or circuitry that converts between different color spaces.
A color space converter is a piece of software or circuitry that converts between different color spaces; for example, from a YCbCr signal to the RGB color space.
Image By RGB_CMYK_4.jpg: Annette Shacklettderivative work: Marluxia.Kyoshu (talk) - Made in Photoshop. Original was also made in Photoshop in 2003., Public Domain — from wikimedia.org