{"id":48947,"date":"2025-08-18T08:00:13","date_gmt":"2025-08-18T08:00:13","guid":{"rendered":"https:\/\/tesla-lighting.cz\/?p=48947"},"modified":"2025-08-17T23:16:09","modified_gmt":"2025-08-17T23:16:09","slug":"teslabikar-35-dil-rozdil-mezi-cri-a-cct-proc-zalezi-na-barve-i-kvalite-svetla","status":"publish","type":"post","link":"https:\/\/tesla-lighting.cz\/en\/teslabikar-35-dil-rozdil-mezi-cri-a-cct-proc-zalezi-na-barve-i-kvalite-svetla\/","title":{"rendered":"TESLAbik\u00e1\u0159 35. d\u00edl – Rozd\u00edl mezi CRI a CCT \u2013 pro\u010d z\u00e1le\u017e\u00ed na barv\u011b i kvalit\u011b sv\u011btla"},"content":{"rendered":"
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TESLAbik\u00e1\u0159 35. d\u00edl – Rozd\u00edl mezi CRI a CCT \u2013 pro\u010d z\u00e1le\u017e\u00ed na barv\u011b i kvalit\u011b sv\u011btla<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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P\u0159i v\u00fdb\u011bru sv\u011btel \u010dasto \u0159e\u0161\u00edme vzhled, cenu \u010di \u00faspornost. Stejn\u011b d\u016fle\u017eit\u00e9 jsou ale i parametry CRI a CCT, kter\u00e9 z\u00e1sadn\u011b ovliv\u0148uj\u00ed kvalitu osv\u011btlen\u00ed a pohodu v m\u00edstnosti.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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CRI: Index pod\u00e1n\u00ed barev, kter\u00fd rozhoduje o v\u011brnosti<\/b><\/h2>

CRI (Color Rendering Index)<\/b> je parametr, kter\u00fd ud\u00e1v\u00e1, jak p\u0159esn\u011b dok\u00e1\u017ee sv\u011bteln\u00fd zdroj reprodukovat barvy objekt\u016f ve srovn\u00e1n\u00ed s ide\u00e1ln\u00edm referen\u010dn\u00edm sv\u011btlem. Hodnoty se pohybuj\u00ed na stupnici od 0 do 100, p\u0159i\u010dem\u017e \u010d\u00edm vy\u0161\u0161\u00ed \u010d\u00edslo, t\u00edm v\u011brn\u011bj\u0161\u00ed pod\u00e1n\u00ed barev.<\/span><\/p>

Praktick\u00e9 rozd\u011blen\u00ed CRI hodnot:<\/b><\/p>

  • Pod 80<\/b>: Barvy p\u016fsob\u00ed plo\u0161e a \u010dasto m\u011bn\u00ed sv\u00e9 odst\u00edny<\/span><\/li>
  • 80-90<\/b>: Standardn\u00ed kvalita vhodn\u00e1 pro v\u011bt\u0161inu dom\u00e1c\u00edch prostor<\/span><\/li>
  • 90-95<\/b>: Vynikaj\u00edc\u00ed pod\u00e1n\u00ed barev pro n\u00e1ro\u010dn\u00e9 aplikace<\/span><\/li>
  • 95+<\/b>: Profesion\u00e1ln\u00ed kvalita pro galerie, salony nebo fotografick\u00e1 studia<\/span><\/li><\/ul>

    P\u0159edstavte si situaci: kupujete si nov\u00fd svetr v obchod\u011b, kde m\u00e1 osv\u011btlen\u00ed n\u00edzk\u00e9 CRI. Doma p\u0159i denn\u00edm sv\u011btle zjist\u00edte, \u017ee barva je \u00fapln\u011b jin\u00e1, ne\u017e jste o\u010dek\u00e1vali. Pr\u00e1v\u011b proto mnoho m\u00f3dn\u00edch butik\u016f investuje do osv\u011btlen\u00ed s vysok\u00fdm CRI \u2013 z\u00e1kazn\u00edci tak vid\u00ed oble\u010den\u00ed ve spr\u00e1vn\u00fdch barv\u00e1ch.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    Pr\u00e9miov\u00e9 butiky vol\u00ed osv\u011btlen\u00ed s vysok\u00fdm CRI \u2013 barvy pak vypadaj\u00ed p\u0159irozen\u011b a l\u00e1kav\u011b.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    CCT: Teplota chromati\u010dnosti ur\u010duje atmosf\u00e9ru<\/b><\/h2>

    CCT (Correlated Color Temperature)<\/b> vyjad\u0159uje „barvu“ sv\u011btla a m\u011b\u0159\u00ed se v kelvinech (K). Tento parametr ne\u0159\u00edk\u00e1 nic o kvalit\u011b sv\u011btla, ale ur\u010duje, zda bude sv\u011btlo p\u016fsobit teple, neutr\u00e1ln\u011b nebo studen\u011b.<\/span><\/p>

    Z\u00e1kladn\u00ed kategorie teplot:<\/b><\/p>

    • 2700 \u2013 3000 K (tepl\u00e1 b\u00edl\u00e1)<\/b>: \u017dlutav\u00fd odst\u00edn p\u0159ipom\u00ednaj\u00edc\u00ed z\u00e1pad slunce, ide\u00e1ln\u00ed pro relaxaci v ob\u00fdvac\u00edch pokoj\u00edch a lo\u017enic\u00edch<\/span><\/li>
    • 3500 \u2013 4000 K (neutr\u00e1ln\u00ed b\u00edl\u00e1)<\/b>: Vyv\u00e1\u017een\u011b b\u00edl\u00e9 sv\u011btlo podobn\u00e9 dopoledn\u00edmu slunci, vhodn\u00e9 do kuchyn\u00ed a koupelen<\/span><\/li>
    • 5000 \u2013 6500 K (studen\u00e1 b\u00edl\u00e1)<\/b>: Modrav\u011b b\u00edl\u00e9 sv\u011btlo napodobuj\u00edc\u00ed poledn\u00ed slunce, podporuje koncentraci v pracovn\u00edch prostorech<\/span><\/li><\/ul>

      Volba spr\u00e1vn\u00e9 teploty ovliv\u0148uje nejen funk\u010dnost prostoru, ale i na\u0161i n\u00e1ladu a biorytmus. Studen\u00e9 sv\u011btlo n\u00e1s aktivizuje, zat\u00edmco tepl\u00e9 pom\u00e1h\u00e1 relaxovat.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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      Barevn\u00e1 \u0161k\u00e1la sv\u011btla v Kelvinech \u2013 b\u011b\u017en\u011b dostupn\u00e9 \u017e\u00e1rovky maj\u00ed 2700 a\u017e 6500 K.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      Pro\u010d je d\u016fle\u017eit\u00e1 kombinace obou parametr\u016f?<\/b><\/h2>

      Mnoho lid\u00ed p\u0159i v\u00fdb\u011bru osv\u011btlen\u00ed uva\u017euje pouze o teplot\u011b sv\u011btla, ale opom\u00edj\u00ed index pod\u00e1n\u00ed barev. V\u00fdsledkem m\u016f\u017ee b\u00fdt sv\u011btlo, kter\u00e9 sice m\u00e1 p\u0159\u00edjemnou teplotu, ale kv\u016fli n\u00edzk\u00e9mu CRI zp\u016fsobuje, \u017ee v\u0161e v m\u00edstnosti vypad\u00e1 mdLE a nev\u00fdrazn\u011b.<\/span><\/p>

      Praktick\u00e9 p\u0159\u00edklady kombinac\u00ed:<\/b><\/p>

      • Ob\u00fdvac\u00ed pokoj<\/b>: CCT 2700 \u2013 3000 K + CRI 90+ = \u00fatuln\u00e1 atmosf\u00e9ra s v\u011brn\u00fdmi barvami n\u00e1bytku a dekorac\u00ed<\/span><\/li>
      • Kuchyn\u011b<\/b>: CCT 3500 \u2013 4000 K + CRI 90+ = funk\u010dn\u00ed osv\u011btlen\u00ed, kde pozn\u00e1te \u010derstvost potravin<\/span><\/li>
      • Pracovna<\/b>: CCT 5000 K + CRI 85+ = stimuluj\u00edc\u00ed prost\u0159ed\u00ed s dobr\u00fdm rozli\u0161en\u00edm detail\u016f<\/span><\/li><\/ul>

        \u00a0<\/p>

        Jak vybrat spr\u00e1vn\u00e9 osv\u011btlen\u00ed?<\/b><\/h3>

        P\u0159i n\u00e1kupu nov\u00e9ho osv\u011btlen\u00ed se \u0159i\u010fte t\u011bmito pravidly:<\/span><\/p>

        Nejd\u0159\u00edve ur\u010dete \u00fa\u010del m\u00edstnosti<\/b> a podle toho zvolte vhodnou teplotu chromati\u010dnosti. Pro relaxa\u010dn\u00ed z\u00f3ny volte tepl\u00e9 t\u00f3ny, pro pracovn\u00ed prostory studen\u011bj\u0161\u00ed sv\u011btlo.<\/span><\/p>

        V\u017edy kontrolujte CRI hodnotu<\/b> \u2013 pro dom\u00e1c\u00ed pou\u017eit\u00ed doporu\u010dujeme minimum 80, ide\u00e1ln\u011b 90+. U levn\u00fdch LED \u017e\u00e1rovek \u010dasto tento parametr chyb\u00ed nebo je n\u00edzk\u00fd.<\/span><\/p>

        Zva\u017ete nastaviteln\u00e9 osv\u011btlen\u00ed<\/b> s mo\u017enost\u00ed m\u011bnit jak teplotu, tak intenzitu sv\u011btla podle denn\u00ed doby a aktu\u00e1ln\u00edch pot\u0159eb.<\/span><\/p>

        Investice do kvality se vyplat\u00ed<\/b><\/h3>

        Kvalitn\u00ed osv\u011btlen\u00ed s vysok\u00fdm CRI a vhodn\u011b zvolenou teplotou chromati\u010dnosti dok\u00e1\u017ee prom\u011bnit ka\u017ed\u00fd prostor. Ocen\u00edte to p\u0159i ka\u017edodenn\u00edch \u010dinnostech \u2013 od p\u0159\u00edpravy j\u00eddla p\u0159es \u010dten\u00ed a\u017e po odpo\u010dinek. Nav\u00edc modern\u00ed LED technologie umo\u017e\u0148uj\u00ed dos\u00e1hnout vynikaj\u00edc\u00edch parametr\u016f p\u0159i n\u00edzk\u00e9 spot\u0159eb\u011b energie.<\/span><\/p>

        Pamatujte: spr\u00e1vn\u00e9 osv\u011btlen\u00ed nen\u00ed jen o tom, aby bylo dostate\u010dn\u011b jasn\u00e9. Jde o vytvo\u0159en\u00ed prost\u0159ed\u00ed, kde se budete c\u00edtit dob\u0159e a kde budou v\u0161echny barvy vypadat tak, jak maj\u00ed. CRI a CCT jsou kl\u00ed\u010dov\u00e9 parametry, kter\u00e9 v\u00e1m k tomu pomohou.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

        P\u0159i v\u00fdb\u011bru sv\u011btel \u010dasto \u0159e\u0161\u00edme vzhled, cenu \u010di \u00faspornost. Stejn\u011b d\u016fle\u017eit\u00e9 jsou ale i parametry CRI a CCT, kter\u00e9 z\u00e1sadn\u011b ovliv\u0148uj\u00ed kvalitu osv\u011btlen\u00ed a pohodu v m\u00edstnosti. CRI: Index pod\u00e1n\u00ed barev, kter\u00fd rozhoduje o v\u011brnosti CRI (Color Rendering Index) je parametr, kter\u00fd ud\u00e1v\u00e1, jak p\u0159esn\u011b dok\u00e1\u017ee sv\u011bteln\u00fd zdroj reprodukovat barvy objekt\u016f ve srovn\u00e1n\u00ed s ide\u00e1ln\u00edm […]<\/p>\n","protected":false},"author":17,"featured_media":48949,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-48947","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novinky"],"yoast_head":"\nTESLAbik\u00e1\u0159 35. d\u00edl - Rozd\u00edl mezi CRI a CCT \u2013 pro\u010d z\u00e1le\u017e\u00ed na barv\u011b i kvalit\u011b sv\u011btla<\/title>\n<meta name=\"description\" content=\"Sv\u011btlo hraje v lidsk\u00e9m \u017eivot\u011b nezastupitelnou roli od nepam\u011bti. 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