{"id":14108,"date":"2026-08-26T07:01:24","date_gmt":"2026-08-26T07:01:24","guid":{"rendered":"https:\/\/www.fabrixa.com\/?p=14108"},"modified":"2026-09-06T15:40:20","modified_gmt":"2026-09-06T15:40:20","slug":"how-colour-works-on-cotton","status":"publish","type":"post","link":"https:\/\/www.fabrixa.com\/lv\/how-colour-works-on-cotton\/","title":{"rendered":"K\u0101 kr\u0101sa iedarbojas uz kokvilnu: RGB, CMYK un reakt\u012bv\u0101 kr\u0101su gamma"},"content":{"rendered":"<p>Kr\u0101su p\u0101rvald\u012bba kokvilnas tekstilizstr\u0101d\u0101jumu apdruk\u0101 balst\u0101s uz vienu fizik\u0101lu faktu: j\u016bsu siets rada kr\u0101su no gaismas, bet apdruk\u0101t\u0101 kokvilna \u2014 no kr\u0101svielas. RGB ir <strong>piedeva<\/strong> \u2014 sarkana, za\u013ca un zila gaisma, kas, summ\u0113joties, rada baltu kr\u0101su. Reakt\u012bv\u0101 kr\u0101sviela ir <strong>subtrakt\u012bvs<\/strong> \u2014 kr\u0101sviela, kas saist\u012bta kokvilnas \u0161\u0137iedras iek\u0161ien\u0113, absorb\u0113 da\u013cu spektra un atstarojot p\u0101r\u0113jo. Da\u017eas kr\u0101sas past\u0101v tikai k\u0101 izstarot\u0101 gaisma, t\u0101p\u0113c neviena kr\u0101sviela uz auduma nesp\u0113j t\u0101s atveidot, un liel\u0101k\u0101 da\u013ca kr\u0101su p\u0101rvald\u012bbas ir saist\u012bta ar to, lai pirms ra\u017eo\u0161anas uzs\u0101k\u0161anas noskaidrotu, kuras tie\u0161i kr\u0101sas ir \u0161\u0101das.<\/p>\n<p>Tas nav reakt\u012bv\u0101s apdrukas \u012bpatn\u012bba \u2014 tas attiecas uz jebkuru procesu uz jebkura materi\u0101la. At\u0161\u0137ir\u012bba, izmantojot reakt\u012bvos kr\u0101svielas, ir taj\u0101, kur kr\u0101sa non\u0101k: kokvilnas \u0161\u0137iedras iek\u0161ien\u0113, nevis k\u0101 sl\u0101nis uz t\u0101s virsmas.<\/p>\n<h2>Adit\u012bv\u0101 gaisma pret subtrakt\u012bvo kr\u0101su<\/h2>\n<p>Monitors ir s\u012bku gaismas avotu re\u017e\u0123is. Ja tos visus iesl\u0113dz, rodas balta kr\u0101sa; ja tos izsl\u0113dz, rodas melna kr\u0101sa. T\u0101 k\u0101 ekr\u0101ns pats rada gaismu, tas sp\u0113j sasniegt t\u0101du spilgtumu, k\u0101du neviena atstarojo\u0161a virsma nesp\u0113j \u2014 tie\u0161i t\u0101p\u0113c elektrisk\u0101 ci\u0101na vai fluoresc\u0113jo\u0161\u0101 za\u013c\u0101 kr\u0101sa izskat\u0101s kr\u0101\u0161\u0146i gan dizaina fail\u0101, gan uz auduma.<\/p>\n<p>Ar kokvilnu ir otr\u0101di. Apk\u0101rt\u0113j\u0101 gaisma kr\u012bt uz auduma, kr\u0101sviela absorb\u0113 da\u013cu no spektra, un tas, kas atstarojas atpaka\u013c, ir kr\u0101sa, ko j\u016bs redzat. Spilgt\u0101ko iesp\u0113jamo rezult\u0101tu ierobe\u017eo tas, cik daudz gaismas atspogu\u013co pamatne \u2014 nebalin\u0101ta kokvilna to sp\u0113j maz\u0101k nek\u0101 spilgti optiski balta \u2014, bet tum\u0161\u0101ko \u2014 tas, cik daudz kr\u0101svielas \u0161\u0137iedra uzs\u016bc.<\/p>\n<h2>RGB, CMYK un reakt\u012bv\u0101 gamma<\/h2>\n<p>Kr\u0101su gamma ir kr\u0101su diapazons, ko sist\u0113ma sp\u0113j faktiski att\u0113lot. Sagatavojot grafiku audumam, ir svar\u012bgi \u0146emt v\u0113r\u0101 tr\u012bs faktorus.<\/p>\n<table>\n<thead>\n<tr>\n<th>&nbsp;<\/th>\n<th>RGB (ekr\u0101ns)<\/th>\n<th>CMYK (pap\u012bra izdruka)<\/th>\n<th>Reakt\u012bv\u0101 kr\u0101sa uz kokvilnas<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Kas nosaka kr\u0101su<\/strong><\/td>\n<td>Izstarot\u0101 gaisma<\/td>\n<td>Tintes uz pap\u012bra apstr\u0101de<\/td>\n<td>Kr\u0101sojums, kas saist\u012bjies ar \u0161\u0137iedras celulozi<\/td>\n<\/tr>\n<tr>\n<td><strong>Modelis<\/strong><\/td>\n<td>Piedeva<\/td>\n<td>Subtrakt\u012bvs<\/td>\n<td>Subtrakt\u012bvs<\/td>\n<\/tr>\n<tr>\n<td><strong>Sp\u0113c\u012bg\u0101kais pie<\/strong><\/td>\n<td>Pies\u0101tin\u0101tas spilgtas kr\u0101sas, neona to\u0146i, mirdzo\u0161i zilie un za\u013cie to\u0146i<\/td>\n<td>T\u012bras neitr\u0101l\u0101s kr\u0101sas un vid\u0113jie to\u0146i<\/td>\n<td>Sp\u0113c\u012bga pies\u0101tin\u0101t\u012bba un pla\u0161s to\u0146u diapazons vienas kr\u0101sas to\u0146a robe\u017e\u0101s<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u012b\u0146as ar<\/strong><\/td>\n<td>Nekas \u2014 tas p\u0101rsniedz to, ko var ietvert jebkur\u0161 druk\u0101ts izdevums<\/td>\n<td>Spilgta kr\u0101su pies\u0101tin\u0101t\u012bba, fluoresc\u0113jo\u0161as kr\u0101sas<\/td>\n<td>Fluoresc\u0113jo\u0161as kr\u0101sas, met\u0101liski to\u0146i \u2014 viss, kam nepiecie\u0161ama izstarot\u0101 gaisma<\/td>\n<\/tr>\n<tr>\n<td><strong>Substr\u0101ta efekts<\/strong><\/td>\n<td>Nav<\/td>\n<td>Da\u017ei \u2014 pap\u012bra baltums un p\u0101rkl\u0101jums<\/td>\n<td>Iztur\u012bgs \u2014 redzams gan auduma pinums, gan svars, gan pamatnes baltums<\/td>\n<\/tr>\n<tr>\n<td><strong>Kur atrodas kr\u0101sa<\/strong><\/td>\n<td>Neattiecas<\/td>\n<td>Uz pap\u012bra virsmas<\/td>\n<td>\u0160\u0137iedras iek\u0161ien\u0113, bez virsmas sl\u0101\u0146a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Praktisks padoms: turpiniet veidot dizainu RGB kr\u0101su gam\u0101, jo tie\u0161i to izmanto j\u016bsu r\u012bki un j\u016bsu klientu ekr\u0101ni \u2014 ta\u010du, veidojot dizainu, \u0146emiet v\u0113r\u0101, ka \u0161\u012bs gammas gal\u0113j\u0101s kr\u0101sas uz kokvilnas netiks prec\u012bzi att\u0113lotas. Nos\u016btiet mums savu grafisko materi\u0101lu PDF, TIFF, JPG vai PNG form\u0101t\u0101, un m\u0113s izveidosim pareizos drukas failus j\u016bsu izv\u0113l\u0113tajam produktam un pamatnei. M\u016bsu ieraksts par <a href=\"\/lv\/dpi-colour-file-formats-textile-printing\/\">DPI, kr\u0101sa un failu form\u0101ti<\/a> aptver ar failu saist\u012btos s\u012bk\u0101kus aspektus.<\/p>\n<h2>Pamats ir da\u013ca no kr\u0101sas<\/h2>\n<p>T\u0101 k\u0101 reakt\u012bv\u0101 kr\u0101sa k\u013c\u016bst par \u0161\u0137iedras sast\u0101vda\u013cu, auduma strukt\u016bra paliek redzama caur kr\u0101su, nevis tiek pasl\u0113pta zem t\u0101s. Viens un tas pats paraugs uz trim da\u017e\u0101d\u0101m kokvilnas pamatn\u0113m dod tr\u012bs at\u0161\u0137ir\u012bgus rezult\u0101tus:<\/p>\n<ul>\n<li><strong>Perk\u0101ls<\/strong> \u2014 vienk\u0101r\u0161s, mat\u0113ts audums. Malas izskat\u0101s skaidras, un s\u012bk\u0101s deta\u013cas ir labi saskat\u0101mas; kr\u0101sa izskat\u0101s t\u012bra, nevis sp\u012bd\u012bga.<\/li>\n<li><strong>Sat\u012bns<\/strong> \u2014 glud\u0101ka sejas virsma, kas atspogu\u013co vair\u0101k gaismas, t\u0101p\u0113c t\u0101 pati kr\u0101sa izskat\u0101s pies\u0101tin\u0101t\u0101ka un dzi\u013c\u0101ka.<\/li>\n<li><strong>Puspanama<\/strong> \u2014 smag\u0101ks, fakt\u016brs audums. Fakt\u016bra rada virsmas reljefu, m\u012bkstinot smalk\u0101s deta\u013cas un pie\u0161\u0137irot kr\u0101sai taktil\u0101ku raksturu.<\/li>\n<\/ul>\n<p>Lins atkal uzvedas cit\u0101di: k\u0101 celulozes \u0161\u0137iedra t\u0101 uzs\u016bc reakt\u012bvo kr\u0101su t\u0101pat, ta\u010du t\u0101s neregul\u0101r\u0101 strukt\u016bra izklied\u0113 gaismu, t\u0101p\u0113c kr\u0101sa izskat\u0101s maig\u0101ka. Sublim\u0101cija uz poliestera ir atsevi\u0161\u0137s \u0137\u012bmiskais process ar savu kr\u0101su gammu, un to nevar sal\u012bdzin\u0101t, \u0146emot v\u0113r\u0101 tikai pamatmateri\u0101lus.<\/p>\n<h2>Tekstila apdruka: kr\u0101su p\u0101rvald\u012bba praks\u0113<\/h2>\n<p>Nekas nevar aizst\u0101t kr\u0101sas nov\u0113ro\u0161anu uz pa\u0161a auduma. Ta\u010du da\u017ei ieradumi pal\u012bdz samazin\u0101t at\u0161\u0137ir\u012bbu starp to, ko redzam uz ekr\u0101na, un to, k\u0101 izskat\u0101s audums.<\/p>\n<ol>\n<li><strong>Projekt\u0113jiet, dom\u0101jot par vidu, nevis mal\u0101m.<\/strong> Kr\u0101sai, kas jau atrodas ekr\u0101na att\u0113lo\u0161anas iesp\u0113ju robe\u017e\u0101s, nav papildu rezerves. Nedaudz samaziniet pies\u0101tin\u0101jumu, un izdruk\u0101tais rezult\u0101ts b\u016bs tuv\u0101ks j\u016bsu iecer\u0113tajam.<\/li>\n<li><strong>V\u0113rt\u0113jiet attiec\u012bbas, nevis absol\u016bt\u0101s v\u0113rt\u012bbas.<\/strong> Vai divas kr\u0101sas joproj\u0101m tiek uztvertas k\u0101 at\u0161\u0137ir\u012bgas, ar\u012b p\u0113c p\u0101rnes\u0161anas uz audumu \u2014 j\u0101. Prec\u012bza heksadecim\u0101l\u0101 v\u0113rt\u012bba \u2014 n\u0113.<\/li>\n<li><strong>Piev\u0113rsiet uzman\u012bbu gandr\u012bz meln\u0101dainajiem un gandr\u012bz balt\u0101dainajiem.<\/strong> \u013boti tum\u0161i to\u0146i var izskat\u012bties nosl\u0113gti un zaud\u0113t deta\u013cas; \u013coti gai\u0161i to\u0146i var pazust fon\u0101.<\/li>\n<li><strong>P\u0101rbaudiet kontrastu, turot att\u0113lu izstieptas rokas att\u0101lum\u0101.<\/strong> Raksts, kas sast\u0101v tikai no vid\u0113jiem to\u0146iem, uz auduma var izskat\u012bties neskaidrs, pat ja uz spilgta ekr\u0101na tas izskat\u0101s labi ar iestat\u012bjumiem 100%.<\/li>\n<li><strong>Pirms palielin\u0101t apjomu, izm\u0113\u0123iniet.<\/strong> A <a href=\"\/lv\/products\/fabrics-per-meter\/sample-pack\/\">Paraugu komplekts<\/a> par\u0101da, k\u0101 reakt\u012bv\u0101 kr\u0101sa izskat\u0101s uz katras pamatnes, un t\u0101s izmaksas tiek ieskait\u012btas j\u016bsu pirmaj\u0101 pas\u016bt\u012bjum\u0101. Izmantojot MOQ 1, j\u016bs varat ar\u012b izdruk\u0101t vienu gatavu izstr\u0101d\u0101jumu, lai p\u0101rbaud\u012btu savu izv\u0113li.<\/li>\n<\/ol>\n<h2>K\u0101p\u0113c kr\u0101sa v\u0113l\u0101k nemain\u0101s?<\/h2>\n<p>Viena lieta, par ko nav j\u0101uztraucas attiec\u012bb\u0101 uz kokvilnu, ir apdruka, kas zaud\u0113 kvalit\u0101ti. Reakt\u012bv\u0101 kr\u0101sa veido kovalento saiti ar \u0161\u0137iedras celulozi un tiek past\u0101v\u012bgi fiks\u0113ta ar siltuma un tvaika pal\u012bdz\u012bbu, t\u0101d\u0113j\u0101di kr\u0101sa k\u013c\u016bst par kokvilnas sast\u0101vda\u013cu, nevis par virsmas p\u0101rkl\u0101jumu. Nav nek\u0101da saistvielas, kas var\u0113tu sadal\u012bties, un nek\u0101das virsmas pl\u0113ves, kas var\u0113tu plais\u0101t, t\u0101p\u0113c kr\u0101sa parasti iztur 600 mazg\u0101\u0161anas ciklus un vair\u0101k \u2014 l\u012bdz pat br\u012bdim, kad pati kokvilna nolietojas. <a href=\"\/lv\/technology\/what-is-reactive-printing\/\">K\u0101 darbojas reakt\u012bv\u0101 druk\u0101\u0161ana<\/a> s\u012bki izskaidro \u0137\u012bmijas procesu soli pa solim.<\/p>\n<h2>Bie\u017ei uzdotie jaut\u0101jumi<\/h2>\n<h3>Vai man j\u0101iesniedz grafiskais materi\u0101ls form\u0101t\u0101 RGB vai CMYK?<\/h3>\n<p>Abos gad\u012bjumos ir labi. Nos\u016btiet grafiku t\u0101d\u0101 form\u0101t\u0101, k\u0101d\u0101 t\u0101 jums ir \u2014 PDF, TIFF, JPG vai PNG \u2014, un m\u0113s izveidosim atbilsto\u0161os drukas failus. Daudz svar\u012bg\u0101ka ir iz\u0161\u0137irtsp\u0113ja gatavaj\u0101 izm\u0113r\u0101 \u2014 apm\u0113ram 200\u2013300 DPI uz druk\u0101t\u0101 izstr\u0101d\u0101juma.<\/p>\n<h3>K\u0101p\u0113c mana izdruka izskat\u0101s maz\u0101k spilgta nek\u0101 att\u0113ls uz ekr\u0101na?<\/h3>\n<p>Ekr\u0101ns izstaro gaismu, bet audums to atspogu\u013co, t\u0101p\u0113c monitors sp\u0113j att\u0113lot kr\u0101su pies\u0101tin\u0101jumu, k\u0101du neviens auduma kr\u0101sojums nesp\u0113j sasniegt. Kr\u0101sas, kas atrodas tuvu RGB kr\u0101su gammas malai, visdr\u012bz\u0101k j\u016bs p\u0101rsteigs.<\/p>\n<h3>Vai viens failu izdrukas rezult\u0101ts uz diviem da\u017e\u0101diem kokvilnas pamatmateri\u0101liem b\u016bs identisks?<\/h3>\n<p>N\u0113, un tas ir v\u0113rts \u0146emt v\u0113r\u0101. Auduma pinums, svars un virsma ietekm\u0113 to, cik daudz gaismas audums atstarojas, t\u0101p\u0113c sat\u012bns izskat\u0101s kr\u0101sain\u0101ks nek\u0101 mat\u0113ts perkalas audums, pat ja att\u0113ls ir tie\u0161i no t\u0101 pa\u0161a faila.<\/p>\n<h3>Vai reakt\u012bv\u0101 druk\u0101\u0161ana sp\u0113j prec\u012bzi atainot konkr\u0113tu z\u012bmola kr\u0101su?<\/h3>\n<p>Reakt\u012bv\u0101s kr\u0101sas nodro\u0161ina pla\u0161u un intens\u012bvu kr\u0101su gammu uz kokvilnas, ta\u010du fluoresc\u0113jo\u0161\u0101s un met\u0101lisk\u0101s kr\u0101sas p\u0101rsniedz to, ko var pan\u0101kt, kr\u0101sojot dabiskas \u0161\u0137iedras. Ja z\u012bmola kr\u0101sa ir \u013coti svar\u012bga, vispirms uzdruk\u0101jiet to uz paredz\u0113t\u0101 pamatmateri\u0101la un nov\u0113rt\u0113jiet to dienasgaism\u0101.<\/p>\n<p>\u201eThe\u201c <a href=\"\/lv\/resources\/reactive-print-guide\/\">reakt\u012bv\u0101s drukas rokasgr\u0101mata<\/a> izkl\u0101sta visu procesu \u2014 s\u0101kot no dizaina skices l\u012bdz gatavajam izstr\u0101d\u0101jumam, kas tiek ra\u017eots Portug\u0101l\u0113, Sp\u0101nij\u0101 un N\u012bderland\u0113. Ja jums ir konkr\u0113ta kr\u0101sa, kurai j\u0101b\u016bt tie\u0161i t\u0101dai, k\u0101du v\u0113laties, pas\u016btiet paraugu komplektu \u2014 vai ar\u012b <a href=\"\/lv\/contact\/\">sazinieties ar m\u016bsu komandu<\/a> par to, kura b\u0101ze J\u016bs aizved\u012bs vistuv\u0101k.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ekr\u0101ni rada kr\u0101su no gaismas; kokvilna \u2014 no kr\u0101svielas, kas ies\u016bkusies \u0161\u0137iedras iek\u0161ien\u0113. K\u0101p\u0113c RGB, CMYK un reakt\u012bv\u0101s kr\u0101su gammas at\u0161\u0137iras, un k\u0101 veikt dizainu audumam.<\/p>","protected":false},"author":1,"featured_media":14086,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73],"tags":[157,170,82,171,79],"class_list":["post-14108","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical","tag-artwork-preparation","tag-colour-management","tag-cotton","tag-design","tag-reactive-printing"],"_links":{"self":[{"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/posts\/14108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/comments?post=14108"}],"version-history":[{"count":3,"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/posts\/14108\/revisions"}],"predecessor-version":[{"id":14111,"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/posts\/14108\/revisions\/14111"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/media\/14086"}],"wp:attachment":[{"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/media?parent=14108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/categories?post=14108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fabrixa.com\/lv\/wp-json\/wp\/v2\/tags?post=14108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}