TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation: No preparation method is given. Preferred Components: The composition is obtained by either (a) halogenating substituted perylene compounds of formula (II) to obtain a mixture of 3,9-dihaloperylene of formula (IIIa) and 3,10-dihaloperylene of formula (IIIb), (b) reacting mixture with an organometallic compound of formula(Z1-M1 (IV) and optionally with an organometallic compound of formula (Z2-M1) (V) to obtain mixture of 3,9-substituted perylene of formula (VIa) and 3,10-substituted perylene of formula (VIb), (c) halogenating the mixture of (VIa) and (VIb) to obtain reaction mixture of halogenated 3,9-substituted perylene of formula (VIIa) and halogenated 3,10-substituted perylene of formula (VIIb), (d) subjecting the mixture of (VIIa) and (VIIb) to a substitution of halogen by cyano, and partially by hydrogen (optionally) to obtain (I) (when Z1 and Z2 are phenyl (optionally substituted by 1-3 1-4C alkyl), CN or 1-6C alkyl, R1, R4, R5, R8 are H, at least two of substitution of R2, R3, R6 or R7 are CN and other substituent's of R2, R3, R6 or R7 is H) and their mixtures and (e) optionally subjecting the reaction mixture containing (I) and their mixture to a separation and/or purification step, or (f) halogenating mixture of substituted perylene-3,9-dicarboxylic acid compounds of formula (VIIIa) and substituted perylene-3,10-dicarboxylic acid compounds of formula (VIIIb) to obtain a mixture of dihalo-substituted perylene-3,9-dicarboxylic acid compounds of formula (IXa) and dihao-substituted perylene-3,10-dicarboxylic acid compounds of formula (IXb), (g) subjecting the mixture of (IXa) and (IXb) to a substitution of halogen by cyano, and optionally partly by hydrogen to obtain (I) (when Z1 and Z2 are CN or 1-6C alkoxycarbonyl, R1, R4, R5, R8 are H, substituent's of R2, R3, R6 or R7 are CN and other substituents of R2, R3, R6 or R7 is H) and their mixtures and (h) optionally subjecting the reaction mixture containing (I) and their mixture to a separation and/or purification step.G1 = Cl or Br;M1 = B(OH)2, B(OR')(OR''),Zn-G1 or Sn(R100)3;R', R'' = H, 1-30C alkyl, 5-8C cycloalkyl, 6-14C aryl or heteroaryl; orR'+R'' = 2-4Calkylene, which optionally contains 1-8 substituents of 1-4C alkyl, 5-8C cycloalkyl, 6-14C aryl or heteroaryl; andR100 = 1-8C alkyl or phenyl.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The color converter further comprises polystyrene, polycarbonate, polyethylene terephthalate (all preferred), polymethylmethacrylate, polyvinyl pyrrolidone, polymethacrylate, polyvinyl acetate, polyvinyl chloride, polybutene, polyethylene glycol, silicone, polyacrylate, epoxy resin, polyvinyl alcohol, ethylene vinyl alcohol copolymer, polyacrylonitrile, polyvinylidene chloride, polystyreneacrylonitrile, polybutylene terephthalate, polyvinyl butyral, polyvinyl chloride, polyamides, polyoxymethylenes, polyimides and/or polyetherimide, at least one further organic fluorescent dye including anthra(2,1,9-def;6,5,10-d'e'f')diisoquinoline-1,3,8,10-tetraone compounds of formulae (X) (where at least one of Y1-Y4 is (R14)p), (XI) and 15,17-dioxo-16-azahexacyclo(12.6.2.1(2,6).0(11,21).0(18,22).0(10,23))tricosa-1(21),2,4,6(23),7,9,11,13,18(22),19-decaene-5-carbonitrile compounds of formula (XII), preferably N,N'-bis(2,6-diisopropylphenyl)-1,6,7,12-tetraphenoxyperylene-3,4;9,10-tetracarboxylic diimide, N,N'-bis(2,6-diisopropylphenyl)-1,7-di(2,6-diisopropylphenoxy)perylene-3,4;9,10-tetracarboxylic diimide, N,N'-bis(2,6-diisopropylphenyl)-1,6-di(2,6-diisopropylphenoxy) perylene-3,4;9,10-tetracarboxylic diimide, N,N'-bis(2,6-diisopropylphenyl)-1,7-di(p-tert-octylphenoxy)perylene-3,4;9,10-tetracarboxylic diimide, N,N'-bis(2,6-diisopropylphenyl)-1,6-di(p-tert-octylphenoxy)-perylene-3,4;9,10-tetracarboxylic diimide, N,N'-bis(2,6-diisopropyl phenyl)-1,7-(diphenoxy)-perylene-3,4;9,10-tetracarboxylic diimide and/or N,N'-bis(2,6-diisopropylphenyl)-1,6-diphenoxy-perylene-3,4;9,10-tetracarboxylic diimide, at least one inorganic fluorescent colorant as further fluorescent dyes, preferably rare earth doped with aluminates, silicates, nitrides and granate, and cerium doped with yttrium-aluminum-granate.R12, R13 = 6-14C aryl, hetaryl, 6-14C-aryl-(1-10C)-alkylene (all optionally substituted by 1-10C alkyl), 1-30C alkyl or 3-8C cycloalkyl;R14 = 6-14C aryloxy (optionally substituted by 1-10C alkyl) or 1-30C alkoxy; andp = 1-4. Preferred Definitions:    Z1, Z2 = phenyl.    EXAMPLE - No suitable example given.