The ICC Profile Format Specification includes many basic data types that can be used in an ICC profile. A 'signature' is a four-byte alphanumerical value used as an identifier, which can be displayed in either ASCII or hex format. Vendors wishing to use a private tag in an ICC profile must register the signature with ICC; this ensures there is no conflict caused by different vendors using the same signature. Profile validation software may also verify that tags contained in a profile are listed in the registry.
Profile creators and/or device manufacturers choose the values they wish to register. They should check that the desired signatures are not already registered, and send a request to the ICC Technical Secretary identifying the four-character ASCII and corresponding 8-character hex value they wish to register. (Note that sequences of less than four alphanumeric characters must padded at the end with spaces (hex 20h).)
Vendors may also optionally provide documentation for a registered private tag, if they wish this information to be public. Details can be found here.
| Vendor | Hex value | To hex | ASCII | To ASCII | Date |
|---|---|---|---|---|---|
| Sun Microsystems | 0 | 0000005a | 01/05/1995 | ||
| the imaging factory | 33324254 | '32BT' | 14/10/2004 | ||
| ICC | 41324230 | 'A2B0' | |||
| ICC | 41324231 | 'A2B1' | |||
| ICC | 41324232 | 'A2B2' | |||
| Apple Computer | 41413030 | 41413939 | 'AA00' | 'AA99' | 05/04/2001 |
| AGFA | 41475054 | 'AGPT' | |||
| Amiable Technologies Inc. | 414d3030 | 414d3939 | 'AM00' | 'AM99' | |
| Adobe Systems, Inc. | 41533030 | 'AS00' | 'AS99' | ||
| ICC | 42324130 | 'B2A0' | |||
| ICC | 42324131 | 'B2A1' | |||
| ICC | 42324132 | 'B2A2' | |||
| ICC | 42324430 | 'B2D0' | 02/11/2006 | ||
| ICC | 42324431 | 'B2D1' | 02/11/2006 | ||
| ICC | 42324432 | 'B2D2' | 02/11/2006 | ||
| ICC | 42324433 | 'B2D3' | 02/11/2006 | ||
| BARCO | 42445320 | 'BDS ' | |||
| BARCO | 424b414c | 'BKAL' | |||
| BARCO | 42503250 | 'BP2P' | 12/10/2014 | ||
| GretagMacbeth | 43494544 | 'CIED' | 11/10/2002 | ||
| Canon | 43505061 | 4350507a | 'CPPa' | 'CPPz' | 10/10/2019 |
| X-Rite | 43784620 | 'CxF ' | 04/10/2013 | ||
| Datacolor | 44433030 | 44433939 | 'DC00' | 'DC99' | 09/03/2011 |
| Dry Creek Photo | 44435064 | 'DCPd' | 22/04/2008 | ||
| Dry Creek Photo | 44435069 | 'DCPi' | 09/01/2018 | ||
| Dry Creek Photo | 44435068 | 'DCPh' | 23/07/2011 | ||
| Monaco Systems Inc. | 44455644 | 'DEVD' | 17/09/2003 | ||
| Monaco Systems Inc. | 44455653 | 'DEVS' | 17/09/2003 | ||
| Dupont | 44555000 | 445550ff | |||
| ICC | 44324230 | 'D2B0' | 02/11/2006 | ||
| ICC | 44324231 | 'D2B1' | 02/11/2006 | ||
| ICC | 44324232 | 'D2B2' | 02/11/2006 | ||
| ICC | 44324233 | 'D2B3' | 02/11/2006 | ||
| GretagMacbeth | 44657644 | 'DevD' | 11/10/2002 | ||
| Esko Graphics | 45474244 | 'EGBD' | 01/09/2003 | ||
| SEIKO EPSON | 45503030 | 45503039 | 'EP00' | 'EP09' | |
| Color Solutions Software | 45554C41 | 'EULA' | 10/01/2007 | ||
| FFEI Limited | 46454930 | 46454939 | 'FEI0' | 'FEI9' | |
| FFEI Limited | 46454941 | 4645495a | 'FEIA' | 'FEIZ' | |
| FFEI Limited | 46454961 | 4645497a | 'FEIa' | 'FEIz' | |
| Fujifilm Corporation | 46462020 | 'FF ' | 30/06/2002 | ||
| FUJIFILM Business Innovation Corp. | 46583030 | 46583939 | 'FX00' | 'FX99' | 17/01/2008 |
| Heidelberger Druckmaschinen AG | 48443030 | 48443939 | 'HD00' | 'HD99' | 01/02/2003 |
| Hewlett Packard | 48503030 | 48503939 | 'HP00' | 'HP99' | 09/09/1994 |
| ICC | 49434335 | 'ICC5' | 30/04/2018 | ||
| ICC | 49434350 | 'ICCP' | 07/09/2026 | ||
| Kodak | 4b303030 | 4b303939 | 'K000' | 'K099' | 09/09/1994 |
| Kodak | 4b313030 | 4b313939 | 'K100' | 'K199' | |
| Kodak | 4b434658 | 'KCFX' | 09/09/1994 | ||
| Kodak | 4b434758 | 'KCGX' | 09/09/1994 | ||
| Kodak | 4b435258 | 'KCRX' | 09/09/1994 | ||
| Kodak | 4b435358 | 'KCSX' | 09/09/1994 | ||
| Kodak | 4b6c7670 | 'Klvp' | 15/04/2001 | ||
| Studion Soft Industries, Ltd. | 4b6d6f64 | 'Kmod' | |||
| Left Dakota | 4c445354 | 'LDST' | 01/07/2002 | ||
| Left Dakota | 4c4e4350 | 'LNCP' | 10/05/2004 | ||
| Left Dakota | 4c534554 | 'LSET' | 01/07/2002 | ||
| Left Dakota | 4c535243 | 'LSRC' | 01/07/2002 | ||
| SEIKO EPSON | 4c555449 | 'LUTI' | 23/12/2024 | ||
| Color Solutions Software | 4d4f4754 | 'MOGT' | 06/12/2005 | ||
| Color Solutions Software | 4d4f5354 | 'MOST' | 06/12/2005 | ||
| Microsoft | 4d533030 | 4d533939 | 'MS00' | 'MS99' | 14/06/2005 |
| Oce Technologies B.V. | 4F434561 | 4F43457A | 'OCEa' | 'OCEz' | 17/09/2015 |
| Onyx Graphics Corp. | 4f4e5830 | 4f4e5839 | 'ONX0' | 'ONX0' | 29/08/2002 |
| Onyx Graphics Corp. | 4f4e5841 | 4f4e585a | 'ONXA' | 'ONXZ' | 29/08/2002 |
| Onyx Graphics Corp. | 4f4e5861 | 4f4e587a | 'ONXa' | 'ONXz' | 29/08/2002 |
| Phase One A/S | 50314D58 | 'P1MX' | 05/04/2004 | ||
| Phase One A/S | 50315054 | 'P1PT' | 01/07/2002 | ||
| basICColor | 50445354 | 'PDST' | 22/04/2009 | ||
| basICColor | 50535243 | 'PSRC' | 22/04/2009 | ||
| Polaroid | 504f4c31 | 504f4c39 | 'POL1' | 'POL9' | |
| Polaroid | 504f4c41 | 504f4c5a | 'POLA' | 'POLZ' | |
| PathQA Ltd | 50514130 | 50514139 | 'PQA0' | 'PQA9' | 24/07/2024 |
| PathQA Ltd | 50514141 | 5051415a | 'PQAA' | 'PQAZ' | 24/07/2024 |
| PathQA Ltd | 50514161 | 5051417a | 'PQAa' | 'PQAz' | 24/07/2024 |
| GretagMacbeth | 506d7472 | 'Pmtr' | 11/10/2002 | ||
| Studion Soft Industries, Ltd. | 53414d64 | 'SAMd' | |||
| Studion Soft Industries, Ltd. | 53414d69 | 'SAMi' | |||
| Studion Soft Industries, Ltd. | 53414d6f | 'SAMo' | |||
| CreoScitex | 53433031 | 53433939 | 'SC01' | 'SC99' | |
| CreoScitex | 53434954 | 'SCIT' | |||
| Sharp Labs | 53483030 | 53483939 | 'SH00' | 'SH99' | 16/03/2005 |
| Dainippon Screen | 53503030 | 53593939 | 'SP00' | 'SP99' | |
| Datacolor | 54435074 | 'TCPt' | |||
| the imaging factory | 54463030 | 54463939 | 'TF00' | 'TF99' | |
| Tektronix | 544b0000 | 544b00ff | |||
| Tektronix | 546b0000 | 546b00ff | |||
| Ware To Go | 57544720 | 'WTG ' | 03/11/2009 | ||
| Ware To Go | 57544730 | 57544739 | 'WTG0' | 'WTG9' | 03/11/2009 |
| Ware To Go | 57544741 | 5754475A | 'WTGA' | 'WTGZ' | 03/11/2009 |
| Ware To Go | 57544761 | 5754477A | 'WTGa' | 'WTGz' | 03/11/2009 |
| Zoran Corporation | 5a433030 | 5a433939 | 'ZC00' | 'ZC99' | 23/02/2008 |
| Apple Computer | 61617267 | 'aarg' | 28/08/2008 | ||
| Apple Computer | 61616767 | 'aagg' | 28/08/2008 | ||
| Apple Computer | 61616267 | 'aabg' | 28/08/2008 | ||
| Graham Gill | 61727473 | 'arts' | 17/09/2014 | ||
| SEIKO EPSON | 61646874 | 'adht' | 23/12/2024 | ||
| ICC | 62545243 | 'bTRC' | |||
| ICC | 6258595a | 'bXYZ' | |||
| Heidelberger Druckmaschinen AG | 626C6765 | 'blge' | 16/01/2004 | ||
| ICC | 62666420 | 'bfd ' | |||
| ICC | 626b7074 | 'bkpt' | |||
| ICC | 63616c74 | 'calt' | |||
| YxyMaster GMBH | 63627238 | 'cbr8' | 03/09/2002 | ||
| Creo | 63637064 | 'ccpd' | 05/02/2003 | ||
| Creo | 63637073 | 'ccps' | 05/02/2003 | ||
| Creo | 63637078 | 'ccpx' | 05/02/2003 | ||
| ICC | 63686164 | 'chad' | 10/11/2000 | ||
| ICC | 6368726d | 'chrm' | |||
| ICC | 63696973 | 'ciis' | 11/04/2007 | ||
| Calibrite LLC | 636C6272 | 'clbr' | 20/05/2024 | ||
| ICC | 636C6F74 | 'clot' | 13/08/2004 | ||
| Heidelberger Druckmaschinen AG | 636c7264 | 'clrd' | 16/01/2004 | ||
| ICC | 636c726f | 'clro' | 10/11/2000 | ||
| ICC | 636c7274 | 'clrt' | 10/11/2000 | ||
| ICC | 63707274 | 'cprt' | |||
| ICC | 63726469 | 'crdi' | |||
| Apple Computer | 63757374 | 'cust' | 09/09/1994 | ||
| Kodak | 63766420 | 'cvd ' | 01/05/1995 | ||
| ICC | 64657363 | 'desc' | |||
| ICC | 64657673 | 'devs' | |||
| Kodak | 64696d64 | 'dimd' | 16/04/2001 | ||
| ICC | 646d6464 | 'dmdd' | |||
| ICC | 646d6e64 | 'dmnd' | |||
| Entrust | 646f7467 | 'dotg' | 2026-30-01 | ||
| SEIKO EPSON | 6472766e | 'drvn' | 23/12/2024 | ||
| Apple Computer | 6473636d | 'dscm' | 28/05/2004 | ||
| Dupont | 64757000 | 647570ff | |||
| SEIKO EPSON | 65626270 | 'ebbp' | |||
| Electronics for Imaging | 65666961 | 6566697a | 'efia' | 'efiz' | |
| SEIKO EPSON | 656d6573 | 'emes' | 23/12/2024 | ||
| SEIKO EPSON | 656d756c | 'emul' | 23/12/2024 | ||
| Kodak | 6670726e | 'fprn' | 16/04/2001 | ||
| SEIKO EPSON | 667a6474 | 'fzdt' | 23/12/2024 | ||
| ICC | 67545243 | 'gTRC' | |||
| ICC | 6758595a | 'gXYZ' | |||
| ICC | 67616d74 | 'gamt' | |||
| GretagMacbeth | 676d7073 | 'gmps' | 29/08/2003 | ||
| X-Rite | 67626430 | 'gbd0' | 04/10/2013 | ||
| X-Rite | 67626431 | 'gbd1' | 04/10/2013 | ||
| X-Rite | 67626432 | 'gbd2' | 04/10/2013 | ||
| X-Rite | 67626433 | 'gbd3' | 04/10/2013 | ||
| Heidelberger Druckmaschinen AG | 68616c64 | 'hald' | 16/01/2004 | ||
| Heidelberger Druckmaschinen AG | 68616c66 | 'half' | 16/01/2004 | ||
| Kothari Infotech Private Limited | 6863746c | 'hctl' | 08/08/2015 | ||
| Heidelberger Druckmaschinen AG | 68643030 | 68643939 | 'hd00' | 'hd99' | 01/02/2003 |
| Konica Minolta | 69545243 | 'iTRC' | 25/11/2003 | ||
| Sun Microsystems | 69636864 | 'ichd' | 01/05/1995 | ||
| Sun Microsystems | 69636865 | 'iche' | 01/05/1995 | ||
| Kodak | 69637370 | 'icsp' | 16/04/2001 | ||
| Kodak | 696c6c64 | 'illd' | 16/04/2001 | ||
| IMATION | 696d6e30 | 696d6e39 | 'imn0' | 'imn9' | |
| IMATION | 696d6e41 | 696d6e5a | 'imnA' | 'imnZ' | |
| IMATION | 696d6e61 | 696d6e7a | 'imna' | 'imnz' | |
| SEIKO EPSON | 696e6b73 | 'inks' | 23/12/2024 | ||
| SEIKO EPSON | 69736d70 | 'ismp' | 23/12/2024 | ||
| ICC | 6b545243 | 'kTRC' | |||
| Konica Minolta | 6b633031 | 6b633130 | 'kc01' | 'kc10' | |
| Konica Minolta | 6b6d3031 | 6b6d3130 | 'km01' | 'km10' | 25/11/2001 |
| Sun Microsystems | 6c696173 | 'lias' | 01/05/1995 | ||
| Sun Microsystems | 6c746167 | 'ltag' | 01/05/1995 | ||
| ICC | 6c756d69 | 'lumi' | |||
| Kodak | 6c766d64 | 'lvmd' | 16/04/2001 | ||
| SEIKO EPSON | 6d646561 | 'mdea' | 23/12/2024 | ||
| ICC | 6d656173 | 'meas' | |||
| Heidelberger Druckmaschinen AG | 6d65636e | 'mecn' | 16/01/2004 | ||
| Heidelberger Druckmaschinen AG | 6d656464 | 'medd' | 16/01/2004 | ||
| Heidelberger Druckmaschinen AG | 6d656474 | 'medt' | 16/01/2004 | ||
| Heidelberger Druckmaschinen AG | 6d656f70 | 'meop' | 16/01/2004 | ||
| Apple Computer | 6d6d6f64 | 'mmod' | 28/05/2004 | ||
| Apple Computer | 6e616d65 | 'name' | 09/09/1994 | ||
| ICC | 6e636c32 | 'ncl2' | |||
| ICC | 6e636f6c | 'ncol' | |||
| Apple Computer | 6e637069 | 'ncpi' | 28/05/2004 | ||
| Apple Computer | 6e64696e | 'ndin' | 28/05/2004 | ||
| Sun Microsystems | 6e746167 | 'ntag' | 01/05/1995 | ||
| FFEI Limited | 6f707266 | 'oprf' | 22/06/2001 | ||
| SEIKO EPSON | 70613262 | 'pa2b' | 23/12/2024 | ||
| SEIKO EPSON | 70623261 | 'pb2a' | 23/12/2024 | ||
| SEIKO EPSON | 70646972 | 'pdir' | 23/12/2024 | ||
| Sun Microsystems | 706c6179 | 'play' | 01/05/1995 | ||
| Polkadots Software Inc. | 706b6430 | 706b6439 | 'pkd0' | 'pkd9' | 02/03/2018 |
| Polkadots Software Inc. | 706b6461 | 706b647a | 'pkda' | 'pkdz' | 02/03/2018 |
| Heidelberger Druckmaschinen AG | 706c6d64 | 'plmd' | 16/01/2004 | ||
| Heidelberger Druckmaschinen AG | 706c6d74 | 'plmt' | 16/01/2004 | ||
| ICC | 70726530 | 'pre0' | |||
| ICC | 70726531 | 'pre1' | |||
| ICC | 70726532 | 'pre2' | |||
| Heidelberger Druckmaschinen AG | 70727364 | 'prsd' | 16/01/2004 | ||
| Heidelberger Druckmaschinen AG | 70727374 | 'prst' | 16/01/2004 | ||
| ICC | 70733269 | 'ps2i' | |||
| ICC | 70733273 | 'ps2s' | |||
| ICC | 70736430 | 'psd0' | |||
| ICC | 70736431 | 'psd1' | |||
| ICC | 70736432 | 'psd2' | |||
| ICC | 70736433 | 'psd3' | |||
| ICC | 70736571 | 'pseq' | |||
| ICC | 70736964 | 'psid' | 11/04/2007 | ||
| Apple Computer | 7073766d | 'psvm' | 03/03/1995 | ||
| ICC | 72545243 | 'rTRC' | |||
| ICC | 7258595a | 'rXYZ' | |||
| SEIKO EPSON | 7265736f | 'reso' | 23/12/2024 | ||
| ICC | 72657370 | 'resp' | |||
| ICC | 72696730 | 'rig0' | 22/02/2005 | ||
| ICC | 72696732 | 'rig2' | 22/02/2005 | ||
| ICC | 73637264 | 'scrd' | |||
| ICC | 7363726e | 'scrn' | |||
| Sun Microsystems | 73663634 | 'sf64' | 01/05/1995 | ||
| Sun Microsystems | 73693038 | 'si08' | 01/05/1995 | ||
| Sun Microsystems | 73693136 | 'si16' | 01/05/1995 | ||
| Sun Microsystems | 73693332 | 'si32' | 01/05/1995 | ||
| SEIKO EPSON | 73747970 | 'styp' | 23/12/2024 | ||
| Tektronix | 744b0000 | 744b00ff | |||
| Heidelberger Druckmaschinen AG | 74616374 | 'tact' | 16/01/2004 | ||
| ICC | 74617267 | 'targ' | |||
| ICC | 74656368 | 'tech' | |||
| Tektronix | 746b0000 | 746b00ff | |||
| Typemaker Ltd. | 746d6b72 | 'tmkr' | 13/09/2002 | ||
| Kodak | 746e616d | 'tnam' | 16/04/2001 | ||
| Kodak | 74707274 | 'tprt' | 16/04/2001 | ||
| Apple Computer | 74726320 | 'trc ' | 09/09/1994 | ||
| Canon | 75634730 | 75634733 | 'ucG0' | 'ucG3' | 08/04/2007 |
| Canon | 75636d44 | 'ucmD' | |||
| Canon | 75636d46 | 'ucmF' | 08/04/2007 | ||
| Canon | 75636d49 | 'ucmI' | |||
| Canon | 75636d4d | 'ucmM' | 08/04/2007 | ||
| Canon | 75636d50 | 'ucmP' | |||
| Canon | 75636d54 | 'ucmT' | |||
| Canon | 75636d56 | 'ucmV' | 08/04/2007 | ||
| Apple Computer | 76636774 | 'vcgt' | |||
| ICC | 76696577 | 'view' | |||
| Apple Computer | 76707461 | 'vpta' | 12/12/1994 | ||
| Apple Computer | 76707462 | 'vptb' | 12/12/1994 | ||
| Apple Computer | 76707467 | 'vptg' | 12/12/1994 | ||
| Apple Computer | 76707470 | 'vptp' | 12/12/1994 | ||
| Apple Computer | 76707477 | 'vptw' | 12/12/1994 | ||
| ICC | 76756564 | 'vued' | |||
| ICC | 77747074 | 'wtpt' | |||
| ECO3 | 45434F33 | ECO3 | 05/06/2026 |
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