ICCCOLORSPACE

typedef enum
{
   XYZData = 0x58595A20L, /* 'XYZ ' */
   LabData = 0x4C616220L, /* 'Lab ' */
   LuvData = 0x4C757620L, /* 'Luv ' */
   YCbCrData = 0x59436272L, /* 'YCbr' */
   YxyData = 0x59787920L, /* 'Yxy ' */
   RgbData = 0x52474220L, /* 'RGB ' */
   GrayData = 0x47524159L, /* 'GRAY' */
   HsvData = 0x48535620L, /* 'HSV ' */
   HlsData = 0x484C5320L, /* 'HLS ' */
   CmykData = 0x434D594BL, /* 'CMYK' */
   CmyData = 0x434D5920L, /* 'CMY ' */
   ColorData2 = 0x32434C52L, /* '2CLR' */
   ColorData3 = 0x33434C52L, /* '3CLR' */
   ColorData4 = 0x34434C52L, /* '4CLR' */
   ColorData5 = 0x35434C52L, /* '5CLR' */
   ColorData6 = 0x36434C52L, /* '6CLR' */
   ColorData7 = 0x37434C52L, /* '7CLR' */
   ColorData8 = 0x38434C52L, /* '8CLR' */
   ColorData9 = 0x39434C52L, /* '9CLR' */
   ColorData10 = 0x41434C52L, /* 'ACLR' */
   ColorData11 = 0x42434C52L, /* 'BCLR' */
   ColorData12 = 0x43434C52L, /* 'CCLR' */
   ColorData13 = 0x44434C52L, /* 'DCLR' */
   ColorData14 = 0x45434C52L, /* 'ECLR' */
   ColorData15 = 0x46434C52L /* 'FCLR' */
} ICCCOLORSPACE;

This enumerated type is used within the ICCHEADER structure to indicate the color space.