{"id":14018,"date":"2021-08-30T11:31:08","date_gmt":"2021-08-30T09:31:08","guid":{"rendered":"https:\/\/www.spreadshop.com\/fr\/blog\/?p=14018"},"modified":"2021-08-30T11:31:08","modified_gmt":"2021-08-30T09:31:08","slug":"comment-convertir-rvb-en-cmjn","status":"publish","type":"post","link":"https:\/\/www.spreadshop.com\/fr\/blog\/2021\/08\/30\/comment-convertir-rvb-en-cmjn\/","title":{"rendered":"Comment convertir RVB en CMJN"},"content":{"rendered":"<p>Certains programmes vous demandent de choisir entre des couleurs RVB et CMJN. En gros,<\/p>\n<ul>\n<li>les couleurs <strong>RVB<\/strong> sont destin\u00e9es au <strong>web<\/strong><\/li>\n<li>les couleurs <strong>CMJN<\/strong> \u00e0 l\u2019<strong>impression<\/strong><\/li>\n<\/ul>\n<p>Mais vous n\u2019en avez pas forc\u00e9ment besoin de CMJN pour votre Spreadshop. Pour vous offrir les <strong>meilleurs r\u00e9sultats d\u2019impression,<\/strong> nous imprimons par cons\u00e9quent les <a href=\"https:\/\/www.spreadshop.com\/fr\/gamme-de-produits?affiliateid=1261061\">produits de votre Spreadshop<\/a> en CMJN. Nous vous expliquons dans cet article comment fonctionnent les couleurs RVB et CMJN.<\/p>\n<h2>Qu\u2019est-ce que les modes RVB et CMJN\u00a0?<\/h2>\n<p>Le mode <strong>RVB<\/strong> est l\u2019abr\u00e9viation de <em><strong><u>R<\/u><\/strong>ed, <\/em><strong><u>G<\/u><\/strong><em>reen and <\/em><strong><u>B<\/u><\/strong><em>lue<\/em> (RGB) ou <em><strong>R<\/strong>ouge, <\/em><strong>V<\/strong><em>ert et <\/em><strong>B<\/strong><em>leu<\/em> (RVB) en fran\u00e7ais. Toutes les autres couleurs se m\u00e9langent \u00e0 partir de ces trois couleurs par <strong>Ajout<\/strong>. Sans les couleurs, en RVB vous ne voyez que du noir. Les trois couleurs primaires \u00e0 100\u00a0% donnent du blanc. On vous montre\u00a0:<\/p>\n<div class='wp-caption alignnone sprd-caption'>\n<div class='wp-caption-inner'><picture><source srcset=\"https:\/\/images.spreadshop.com\/images\/v1630314662\/blog\/Comment-convertir-RVB-en-CMJN-RVB\/Comment-convertir-RVB-en-CMJN-RVB.jpg\" media=\"(max-width: 639px)\"\/><img width=\"1280\" height=\"720\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMjgwIiBoZWlnaHQ9IjcyMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSI+PGFuaW1hdGUgYXR0cmlidXRlTmFtZT0iZmlsbCIgdmFsdWVzPSJyZ2JhKDE1MywxNTMsMTUzLDAuNSk7cmdiYSgxNTMsMTUzLDE1MywwLjEpO3JnYmEoMTUzLDE1MywxNTMsMC41KSIgZHVyPSIycyIgcmVwZWF0Q291bnQ9ImluZGVmaW5pdGUiIC8+PC9yZWN0Pjwvc3ZnPg==\" alt=\"\" data-public-id=\"blog\/Comment-convertir-RVB-en-CMJN-RVB.jpg\" class=\"wp-post-14018 wp-image-14025\" data-format=\"jpg\" data-transformations=\"f_auto,q_auto\" data-version=\"1630314662\" data-size=\"1280 720\" data-delivery=\"upload\" onload=\";window.CLDBind?CLDBind(this):null;\" data-cloudinary=\"lazy\" \/><\/picture><\/div>\n<\/div>\n<p>C\u2019est tout le contraire avec les couleurs <strong>CMJN\u00a0: <\/strong>les couleurs \u00e9l\u00e9mentaires sont ici le <em><strong><u>C<\/u><\/strong>yan<\/em>, <em><strong><u>M<\/u><\/strong>agenta<\/em>, <em><strong>Y<\/strong>ellow<\/em> (jaune) auxquelles on ajoute du noir (<em>Blac<\/em><strong><u>k<\/u><\/strong>). CMYK se dit CMJN en fran\u00e7ais (cyan-magenta-jaune-noir). Les couleurs ne sont pas ajout\u00e9es mais <strong>retranch\u00e9es<\/strong> du blanc. Au d\u00e9but, tout est blanc &#8211; plus il y a de couleurs, plus \u00e7a devient noir.<\/p>\n<div class='wp-caption alignnone sprd-caption'>\n<div class='wp-caption-inner'><picture><source srcset=\"https:\/\/images.spreadshop.com\/images\/v1630314451\/blog\/Comment-convertir-RVB-en-CMJN-4\/Comment-convertir-RVB-en-CMJN-4.jpg\" media=\"(max-width: 639px)\"\/><img width=\"1280\" height=\"720\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMjgwIiBoZWlnaHQ9IjcyMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSI+PGFuaW1hdGUgYXR0cmlidXRlTmFtZT0iZmlsbCIgdmFsdWVzPSJyZ2JhKDE1MywxNTMsMTUzLDAuNSk7cmdiYSgxNTMsMTUzLDE1MywwLjEpO3JnYmEoMTUzLDE1MywxNTMsMC41KSIgZHVyPSIycyIgcmVwZWF0Q291bnQ9ImluZGVmaW5pdGUiIC8+PC9yZWN0Pjwvc3ZnPg==\" alt=\"\" data-public-id=\"blog\/Comment-convertir-RVB-en-CMJN-4.jpg\" class=\"wp-post-14018 wp-image-14022\" data-format=\"jpg\" data-transformations=\"f_auto,q_auto\" data-version=\"1630314451\" data-size=\"1280 720\" data-delivery=\"upload\" onload=\";window.CLDBind?CLDBind(this):null;\" data-cloudinary=\"lazy\" \/><\/picture><\/div>\n<\/div>\n<p>Pourquoi le noir est utilis\u00e9 comme quatri\u00e8me couleur en mode CMJN\u00a0? En th\u00e9orie, en mode CMJN, le m\u00e9lange des encres cyan, magenta et jaune produit du noir. Mais en r\u00e9alit\u00e9, ce noir ressort gris fonc\u00e9 \u00e0 l\u2019impression. <strong>Pour un noir soutenu, <\/strong>il faut ajouter du noir en quatri\u00e8me couleur suppl\u00e9mentaire.<\/p>\n<h2>Pourquoi utiliser le mode CMJN pour l\u2019impression\u00a0?<\/h2>\n<p>Le mod\u00e8le de couleurs RVB utilise des <strong>couleurs lumineuses<\/strong>, \u00e0 partir desquelles se compose la lumi\u00e8re blanche. Le syst\u00e8me de codage des couleurs RVB est ainsi parfait pour les images qui sont g\u00e9n\u00e9r\u00e9es par des sources lumineuses. Le meilleur exemple\u00a0:les<strong> \u00e9crans<\/strong>. Si vous collez une loupe sur ce texte, vous verrez de minuscules points lumineux rouges, bleus ou verts. C\u2019est tr\u00e8s facile \u00e0 voir sur les vieux \u00e9crans cathodiques.<\/p>\n<div class='wp-caption alignnone sprd-caption'>\n<div class='wp-caption-inner'><picture><source srcset=\"https:\/\/images.spreadshop.com\/images\/v1630314459\/blog\/Comment-convertir-RVB-en-CMJN-6\/Comment-convertir-RVB-en-CMJN-6.jpg\" media=\"(max-width: 639px)\"\/><img width=\"1280\" height=\"720\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMjgwIiBoZWlnaHQ9IjcyMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSI+PGFuaW1hdGUgYXR0cmlidXRlTmFtZT0iZmlsbCIgdmFsdWVzPSJyZ2JhKDE1MywxNTMsMTUzLDAuNSk7cmdiYSgxNTMsMTUzLDE1MywwLjEpO3JnYmEoMTUzLDE1MywxNTMsMC41KSIgZHVyPSIycyIgcmVwZWF0Q291bnQ9ImluZGVmaW5pdGUiIC8+PC9yZWN0Pjwvc3ZnPg==\" alt=\"\" data-public-id=\"blog\/Comment-convertir-RVB-en-CMJN-6.jpg\" class=\"wp-post-14018 wp-image-14024\" data-format=\"jpg\" data-transformations=\"f_auto,q_auto\" data-version=\"1630314459\" data-size=\"1280 720\" data-delivery=\"upload\" onload=\";window.CLDBind?CLDBind(this):null;\" data-cloudinary=\"lazy\" \/><\/picture><\/div>\n<\/div>\n<p>Nos produits n\u2019\u00e9tant pas des sources lumineuses, nous utilisons le mode CMJN pour l\u2019impression. Car les t-shirts et les tasses ne diffusent pas de lumi\u00e8re eux-m\u00eames, ils se contentent de <strong>refl\u00e9ter la lumi\u00e8re du soleil ou d\u2019autres sources lumineuses<\/strong>.<\/p>\n<div class='wp-caption alignnone sprd-caption'>\n<div class='wp-caption-inner'><picture><source srcset=\"https:\/\/images.spreadshop.com\/images\/v1630314455\/blog\/Comment-convertir-RVB-en-CMJN-5\/Comment-convertir-RVB-en-CMJN-5.jpg\" media=\"(max-width: 639px)\"\/><img width=\"1280\" height=\"720\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMjgwIiBoZWlnaHQ9IjcyMCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSI+PGFuaW1hdGUgYXR0cmlidXRlTmFtZT0iZmlsbCIgdmFsdWVzPSJyZ2JhKDE1MywxNTMsMTUzLDAuNSk7cmdiYSgxNTMsMTUzLDE1MywwLjEpO3JnYmEoMTUzLDE1MywxNTMsMC41KSIgZHVyPSIycyIgcmVwZWF0Q291bnQ9ImluZGVmaW5pdGUiIC8+PC9yZWN0Pjwvc3ZnPg==\" alt=\"\" data-public-id=\"blog\/Comment-convertir-RVB-en-CMJN-5.jpg\" class=\"wp-post-14018 wp-image-14023\" data-format=\"jpg\" data-transformations=\"f_auto,q_auto\" data-version=\"1630314455\" data-size=\"1280 720\" data-delivery=\"upload\" onload=\";window.CLDBind?CLDBind(this):null;\" data-cloudinary=\"lazy\" \/><\/picture><\/div>\n<\/div>\n<p>Toutes les couleurs se m\u00e9langent comme des gouaches \u00e0 l\u2019\u00e9cole. Par exemple, le <strong>bleu cyan<\/strong> et le <strong>rouge magenta<\/strong> donnent du <strong>violet<\/strong>.<\/p>\n<h2>Pourquoi vous devez importer vos designs en RVB dans votre Spreadshop\u00a0?<\/h2>\n<p>Chez Spreadshop, nous sommes des passionn\u00e9s de l\u2019impression \u00e0 la demande depuis 2002. La plupart de nos utilisateur\u00b7trice\u00b7s et ami\u00b7e\u00b7s \u00e9tant loin d\u2019\u00eatre des pros de l\u2019impression, nous <a href=\"https:\/\/help.spreadshop.com\/hc\/fr\/articles\/360010420560-Graphiques-vectoriels-et-pixels-Introduction?affiliateid=1261061\">convertissons g\u00e9n\u00e9ralement nous-m\u00eames les fichiers RVB en CMJN <\/a>\u00a0pour vous offrir les meilleurs r\u00e9sultats d\u2019impression. Notre logiciel est ainsi parfaitement calibr\u00e9 pour <strong>transformer les fichiers RVB pour l\u2019impression.<\/strong> C\u2019est aussi si simple que \u00e7a\u00a0!<\/p>\n<h2>Comment convertir soi-m\u00eame le RVB en CMJN<\/h2>\n<p>Voici quatre m\u00e9thodes pour convertir RVB en CMJN\u00a0:<\/p>\n<h3>Adobe Photoshop<\/h3>\n<p>Comme vous le savez, le <strong>logiciel de traitement d\u2019image le plus utilis\u00e9 au monde<\/strong> est <em>Microsoft Paint<\/em>. Mais non, on rigole ! C\u2019est Adobe Photoshop, bien s\u00fbr. Pour choisir votre syst\u00e8me de codage des couleurs\u00a0:<\/p>\n<ul>\n<li>Ouvrez le fichier image<\/li>\n<li>Dans l\u2019onglet \u00ab\u00a0Image\u00a0\u00bb, cliquez sur \u00ab\u00a0Mode\u00a0\u00bb.<\/li>\n<li>Dans les modes de couleurs, cochez la case CMJN au lieu de RVB<\/li>\n<li>Validez la conversion<\/li>\n<\/ul>\n<p><em>Attention\u00a0: la conversion n\u2019est pas possible avec Photoshop Elements.<\/em><\/p>\n<h3>rgb2cmyk.org<\/h3>\n<p>rgb2cmyk.org est un <strong>outil en ligne gratuit<\/strong>, relativement intuitif. <a href=\"https:\/\/www.rgb2cmyk.org\/\">Pour convertir RVG en CMJN :<\/a><\/p>\n<ul>\n<li>T\u00e9l\u00e9chargez le fichier RVG ou saisissez l\u2019URL de l\u2019image<\/li>\n<li>S\u00e9lectionnez le format du fichier de sortie<\/li>\n<li>S\u00e9lectionnez le mode de couleurs CMJN<\/li>\n<li>\u00a0\u00ab\u00a0Start\u00a0\u00bb<\/li>\n<li><em>L\u2019image est modifi\u00e9e et mise \u00e0 votre disposition pour \u00eatre t\u00e9l\u00e9charg\u00e9e avec un comparatif avant-apr\u00e8s.<\/em><\/li>\n<li>S\u00e9lectionnez \u00ab Enregistrer l\u2019image sous\u00a0\u00bb<\/li>\n<li>Cliquez sur \u00ab\u00a0Enregistrer le fichier\u00a0\u00bb<\/li>\n<\/ul>\n<h3>GIMP<\/h3>\n<p>De nombreux sites Internet qui convertissent RVB en CMJN vous conseillent d\u2019utiliser le programme GIMP avec le plug-in \u00ab Separate+\u00a0\u00bb. Malheureusement, cette <strong>solution est d\u00e9j\u00e0 obsol\u00e8te<\/strong>. Separate+ n\u2019est plus disponible dans la version actuelle de GIMP. Sans cet outil, GIMP tout comme Photoshop Elements ne propose malheureusement que le mode RVG, des niveaux de gris et couleurs index\u00e9es.<\/p>\n<h3>PDF24-Creator<\/h3>\n<p>Vous pouvez <strong>t\u00e9l\u00e9charger gratuitement PDF24-Creator sur Internet.<\/strong>. Changer le mode de couleurs est tr\u00e8s simple\u00a0:<\/p>\n<ul>\n<li>Enregistrez votre fichier image en PDF dans le logiciel de traitement<\/li>\n<li>Ouvrez-le dans PDF24-Creator<\/li>\n<li>Enregistrez-le \u00e0 nouveau \u00e0 l\u2019aide du programme et convertissez-le en mode de couleurs CMJN<\/li>\n<\/ul>\n<p><em>Vous voulez perfectionner vos articles\u00a0? Alors, consultez notre article sur la mani\u00e8re <\/em><a href=\"https:\/\/www.spreadshop.com\/fr\/blog\/2018\/11\/16\/fidelisez-vos-clients-en-optimisant-vos-designs\/?affiliateid=1261061\"><em>d\u2019optimiser vos designs pour l\u2019impression.<\/em><\/a><\/p>\n<hr \/>\n<p><em>On esp\u00e8re que notre article aura \u00e9clair\u00e9 votre lanterne sur la conversion RVG en CMJN\u00a0!<\/em><\/p>\n<p style=\"text-align: center\"><a class=\"standard-btn mermaid-btn\" href=\"https:\/\/partner.spreadshirt.fr\/shop-register\/?affiliateid=1261061\" target=\"_blank\" rel=\"noopener noreferrer\">Ouvrir un Spreadshop<\/a><\/p>\n<p>&nbsp;<\/p>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\">\n<ul class=\"shariff-buttons theme-default orientation-horizontal buttonsize-medium\">\n<li class=\"shariff-button facebook shariff-nocustomcolor\" style=\"background-color:#4273c8\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fwww.spreadshop.com%2Fblog%2Ffr%2F2021%2F08%2F30%2Fcomment-convertir-rvb-en-cmjn%2F\" title=\"Envoyer par Facebook\" aria-label=\"Envoyer par Facebook\" role=\"button\" rel=\"nofollow\" class=\"shariff-link\" style=\"; background-color:#3b5998; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 18 32\"><path fill=\"#3b5998\" d=\"M17.1 0.2v4.7h-2.8q-1.5 0-2.1 0.6t-0.5 1.9v3.4h5.2l-0.7 5.3h-4.5v13.6h-5.5v-13.6h-4.5v-5.3h4.5v-3.9q0-3.3 1.9-5.2t5-1.8q2.6 0 4.1 0.2z\"><\/path><\/svg><\/span><span class=\"shariff-text\">partager<\/span>&nbsp;<\/a><\/li>\n<li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fwww.spreadshop.com%2Fblog%2Ffr%2F2021%2F08%2F30%2Fcomment-convertir-rvb-en-cmjn%2F&text=Comment%20convertir%20RVB%20en%20CMJN\" title=\"Envoyer par X\" aria-label=\"Envoyer par X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#000; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\"><path fill=\"#000\" d=\"M14.258 10.152L23.176 0h-2.113l-7.747 8.813L7.133 0H0l9.352 13.328L0 23.973h2.113l8.176-9.309 6.531 9.309h7.133zm-2.895 3.293l-.949-1.328L2.875 1.56h3.246l6.086 8.523.945 1.328 7.91 11.078h-3.246zm0 0\"><\/path><\/svg><\/span><span class=\"shariff-text\">partager<\/span>&nbsp;<\/a><\/li>\n<li class=\"shariff-button pinterest shariff-nocustomcolor\" style=\"background-color:#e70f18\"><a href=\"https:\/\/www.pinterest.com\/pin\/create\/link\/?url=https%3A%2F%2Fwww.spreadshop.com%2Fblog%2Ffr%2F2021%2F08%2F30%2Fcomment-convertir-rvb-en-cmjn%2F&media=https%3A%2F%2Fimages.spreadshop.com%2Fimages%2Fv1630314445%2Fblog%2FComment-convertir-RVB-en-CMJN-2%2FComment-convertir-RVB-en-CMJN-2.jpg&description=Comment%20convertir%20RVB%20en%20CMJN\" title=\"Envoyer par Pinterest\" aria-label=\"Envoyer par Pinterest\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#cb2027; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 27 32\"><path fill=\"#cb2027\" d=\"M27.4 16q0 3.7-1.8 6.9t-5 5-6.9 1.9q-2 0-3.9-0.6 1.1-1.7 1.4-2.9 0.2-0.6 1-3.8 0.4 0.7 1.3 1.2t2 0.5q2.1 0 3.8-1.2t2.7-3.4 0.9-4.8q0-2-1.1-3.8t-3.1-2.9-4.5-1.2q-1.9 0-3.5 0.5t-2.8 1.4-2 2-1.2 2.3-0.4 2.4q0 1.9 0.7 3.3t2.1 2q0.5 0.2 0.7-0.4 0-0.1 0.1-0.5t0.2-0.5q0.1-0.4-0.2-0.8-0.9-1.1-0.9-2.7 0-2.7 1.9-4.6t4.9-2q2.7 0 4.2 1.5t1.5 3.8q0 3-1.2 5.2t-3.1 2.1q-1.1 0-1.7-0.8t-0.4-1.9q0.1-0.6 0.5-1.7t0.5-1.8 0.2-1.4q0-0.9-0.5-1.5t-1.4-0.6q-1.1 0-1.9 1t-0.8 2.6q0 1.3 0.4 2.2l-1.8 7.5q-0.3 1.2-0.2 3.2-3.7-1.6-6-5t-2.3-7.6q0-3.7 1.9-6.9t5-5 6.9-1.9 6.9 1.9 5 5 1.8 6.9z\"><\/path><\/svg><\/span><span class=\"shariff-text\">enregistrer<\/span>&nbsp;<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nous vous expliquons dans cet article comment fonctionnent les couleurs RVB et CMJN. <a href=\"https:\/\/www.spreadshop.com\/fr\/blog\/2021\/08\/30\/comment-convertir-rvb-en-cmjn\/\">Lire plus<\/a><\/p>\n","protected":false},"author":815,"featured_media":14019,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"publish_to_discourse":"0","publish_post_category":"32","wpdc_auto_publish_overridden":"","wpdc_topic_tags":"","wpdc_pin_topic":"","wpdc_pin_until":"","discourse_post_id":"","discourse_permalink":"","wpdc_publishing_response":"","wpdc_publishing_error":"","_cloudinary_featured_overwrite":false},"categories":[193],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.7.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment convertir RVB en CMJN ? 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