{"id":12450,"date":"2026-01-06T17:28:05","date_gmt":"2026-01-06T08:28:05","guid":{"rendered":"https:\/\/rakkoserver.com\/plus\/?p=12286"},"modified":"2026-01-06T17:28:05","modified_gmt":"2026-01-06T08:28:05","slug":"tool-cmyk-to-rgb","status":"publish","type":"post","link":"https:\/\/rakkokeyword.com\/techo\/tool-cmyk-to-rgb\/","title":{"rendered":"CMYK \u21d2 RGB \u5909\u63db\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<div class=\"crc_tool_container\">\n    <div class=\"crc_link_area_tab\">\n        <div class=\"crc_tab_container\">\n            <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-rgb-to-cmyk\/\" class=\"crc_tab_item crc_tab_link\">RGB \u21d2 CMYK<\/a>\n            <span class=\"crc_tab_item crc_tab_active\">CMYK \u21d2 RGB<\/span>\n        <\/div>\n    <\/div>\n\n    <div class=\"crc_section crc_input_bg\">\n        <p class=\"crc_section_title\">CMYK\u3092\u5165\u529b<\/p>\n        <div class=\"crc_input_container\">\n            <div class=\"crc_input_row\">\n                <label>C<\/label>\n                <input type=\"range\" id=\"crc_range_c\" min=\"0\" max=\"100\" value=\"0\" class=\"crc_slider\">\n                <div class=\"crc_num_wrap\"><input type=\"number\" id=\"crc_input_c\" min=\"0\" max=\"100\" value=\"0\"><span class=\"crc_unit\">%<\/span><\/div>\n            <\/div>\n            <div class=\"crc_input_row\">\n                <label>M<\/label>\n                <input type=\"range\" id=\"crc_range_m\" min=\"0\" max=\"100\" value=\"0\" class=\"crc_slider\">\n                <div class=\"crc_num_wrap\"><input type=\"number\" id=\"crc_input_m\" min=\"0\" max=\"100\" value=\"0\"><span class=\"crc_unit\">%<\/span><\/div>\n            <\/div>\n            <div class=\"crc_input_row\">\n                <label>Y<\/label>\n                <input type=\"range\" id=\"crc_range_y\" min=\"0\" max=\"100\" value=\"0\" class=\"crc_slider\">\n                <div class=\"crc_num_wrap\"><input type=\"number\" id=\"crc_input_y\" min=\"0\" max=\"100\" value=\"0\"><span class=\"crc_unit\">%<\/span><\/div>\n            <\/div>\n            <div class=\"crc_input_row\">\n                <label>K<\/label>\n                <input type=\"range\" id=\"crc_range_k\" min=\"0\" max=\"100\" value=\"0\" class=\"crc_slider\">\n                <div class=\"crc_num_wrap\"><input type=\"number\" id=\"crc_input_k\" min=\"0\" max=\"100\" value=\"0\"><span class=\"crc_unit\">%<\/span><\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"crc_flow_arrow\">\n        <svg width=\"30\" height=\"30\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#ccc\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\" \/><polyline points=\"19 12 12 19 5 12\" \/><\/svg>\n    <\/div>\n\n    <div class=\"crc_section\">\n        <p class=\"crc_section_title\">RGB \/ HEX \u5909\u63db\u7d50\u679c<\/p>\n        <div id=\"crc_preview_box\" class=\"crc_preview_full\">\n            <div id=\"crc_preview_text\">\n                <p style=\"font-size:12px;margin:0;\">Preview<\/p>\n                <p style=\"font-size:20px;font-weight:bold;margin:0;\">SAMPLE TEXT<\/p>\n            <\/div>\n        <\/div>\n\n        <div class=\"crc_hex_display\">\n            <p class=\"crc_label_sm\">HEX (\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9)<\/p>\n            <div class=\"crc_result_main_row\">\n                <span id=\"crc_val_hex\" class=\"crc_hex_text\">#FFFFFF<\/span>\n                <button type=\"button\" id=\"crc_copy_hex\" class=\"crc_main_btn\">HEX\u3092\u30b3\u30d4\u30fc<\/button>\n            <\/div>\n        <\/div>\n\n        <div class=\"crc_rgb_display_grid\">\n            <div class=\"crc_rgb_item\"><span class=\"crc_rgb_label\">R<\/span><span class=\"crc_rgb_val\" id=\"crc_val_r\">255<\/span><\/div>\n            <div class=\"crc_rgb_item\"><span class=\"crc_rgb_label\">G<\/span><span class=\"crc_rgb_val\" id=\"crc_val_g\">255<\/span><\/div>\n            <div class=\"crc_rgb_item\"><span class=\"crc_rgb_label\">B<\/span><span class=\"crc_rgb_val\" id=\"crc_val_b\">255<\/span><\/div>\n        <\/div>\n\n        <button type=\"button\" id=\"crc_reset_btn\" class=\"crc_reset_link\">\u3059\u3079\u3066\u306e\u6570\u5024\u3092\u30ea\u30bb\u30c3\u30c8<\/button>\n    <\/div>\n\n    <style>\n    .crc_tool_container { width: 100%; max-width: 720px; margin: 0 auto; font-family: sans-serif; color: #333; text-align: center; }\n    .crc_tool_container * { box-sizing: border-box; }\n\n    \/* \u30bf\u30d6UI\u30b9\u30bf\u30a4\u30eb *\/\n    .crc_link_area_tab { margin-bottom: 25px; }\n    .crc_tab_container { display: flex; width: 100%; gap: 8px; }\n    .crc_tab_item {\n        flex: 1; display: flex; align-items: center; justify-content: center;\n        height: 50px; font-size: 14px; font-weight: bold; text-decoration: none;\n        border-radius: 0;\n    }\n    .crc_tab_link { background-color: #f8f9fa; color: #333 !important; border: 1px solid #ddd; transition: 0.2s; }\n    .crc_tab_link:hover { background-color: #eee; text-decoration: none; }\n    .crc_tab_active { background-color: #13284B; color: #fff !important; border: 1px solid #13284B; cursor: default; }\n\n    .crc_section { padding: 20px 0; }\n    .crc_input_bg { background-color: #f8f9fa; border-radius: 12px; padding: 30px 20px; }\n    .crc_section_title { font-size: 14px; font-weight: bold; color: #666; margin: 0 0 20px 0; letter-spacing: 0.05em; }\n    .crc_input_container { max-width: 500px; margin: 0 auto; }\n    .crc_input_row { display: flex; align-items: center; gap: 12px; margin-bottom: 15px; }\n    .crc_input_row label { width: 15px; font-weight: bold; color: #13284B; font-size: 16px; margin:0; }\n    .crc_slider { flex-grow: 1; height: 6px; cursor: pointer; }\n    .crc_num_wrap { display: flex; align-items: center; gap: 4px; width: 85px; }\n    .crc_num_wrap input[type=\"number\"] { width: 60px; height: 36px; text-align: center; border: 1px solid #ccc; border-radius: 4px; font-size: 15px; padding: 0; }\n    .crc_unit { font-size: 12px; color: #888; width: 15px; text-align: left; }\n    .crc_flow_arrow { padding: 10px 0; }\n    .crc_preview_full { width: 100%; max-width: 450px; height: 100px; margin: 0 auto 25px; border-radius: 10px; display: flex; align-items: center; justify-content: center; border: 1px solid #eee; }\n    .crc_result_main_row { display: flex; justify-content: center; align-items: center; gap: 15px; margin-bottom: 30px; }\n    .crc_hex_text { font-size: 32px; font-weight: bold; font-family: monospace; }\n    .crc_rgb_display_grid { display: flex; justify-content: center; gap: 30px; margin-bottom: 15px; }\n    .crc_rgb_item { display: flex; flex-direction: column; min-width: 60px; }\n    .crc_rgb_label { font-size: 12px; color: #999; margin-bottom: 4px; }\n    .crc_rgb_val { font-size: 24px; font-weight: bold; color: #444; }\n    .crc_main_btn { height: 44px; padding: 0 20px; background: #13284B; color: #fff; border: none; border-radius: 6px; font-weight: bold; cursor: pointer; font-size: 14px; }\n    .crc_reset_link { background: none; border: none; color: #999; text-decoration: underline; cursor: pointer; margin-top: 35px; font-size: 13px; padding:0; }\n    .crc_label_sm { font-size: 12px; color: #888; margin-bottom: 8px; font-weight: bold; }\n    @media (max-width: 500px) { .crc_hex_text { font-size: 24px; } }\n    <\/style>\n\n    <script>\n    (function() {\n        document.addEventListener('DOMContentLoaded', function() {\n            const el = {\n                cNum: document.getElementById('crc_input_c'), mNum: document.getElementById('crc_input_m'), yNum: document.getElementById('crc_input_y'), kNum: document.getElementById('crc_input_k'),\n                cRange: document.getElementById('crc_range_c'), mRange: document.getElementById('crc_range_m'), yRange: document.getElementById('crc_range_y'), kRange: document.getElementById('crc_range_k'),\n                hex: document.getElementById('crc_val_hex'), rVal: document.getElementById('crc_val_r'), gVal: document.getElementById('crc_val_g'), bVal: document.getElementById('crc_val_b'),\n                preview: document.getElementById('crc_preview_box'), previewText: document.getElementById('crc_preview_text'),\n                reset: document.getElementById('crc_reset_btn'), copyHex: document.getElementById('crc_copy_hex')\n            };\n\n            function cmykToRgb(c, m, y, k) {\n                c \/= 100; m \/= 100; y \/= 100; k \/= 100;\n                let r = Math.round(255 * (1 - c) * (1 - k));\n                let g = Math.round(255 * (1 - m) * (1 - k));\n                let b = Math.round(255 * (1 - y) * (1 - k));\n                return { r, g, b };\n            }\n\n            function rgbToHex(r, g, b) {\n                return \"#\" + [r, g, b].map(x => x.toString(16).padStart(2, '0').toUpperCase()).join(\"\");\n            }\n\n            function update(src) {\n                let c = parseInt(src === 'num' ? el.cNum.value : el.cRange.value) || 0;\n                let m = parseInt(src === 'num' ? el.mNum.value : el.mRange.value) || 0;\n                let y = parseInt(src === 'num' ? el.yNum.value : el.yRange.value) || 0;\n                let k = parseInt(src === 'num' ? el.kNum.value : el.kRange.value) || 0;\n                \n                c = Math.min(100, Math.max(0, c)); m = Math.min(100, Math.max(0, m)); y = Math.min(100, Math.max(0, y)); k = Math.min(100, Math.max(0, k));\n                el.cNum.value = el.cRange.value = c; el.mNum.value = el.mRange.value = m; el.yNum.value = el.yRange.value = y; el.kNum.value = el.kRange.value = k;\n\n                const rgb = cmykToRgb(c, m, y, k);\n                const hexCode = rgbToHex(rgb.r, rgb.g, rgb.b);\n                el.rVal.textContent = rgb.r; el.gVal.textContent = rgb.g; el.bVal.textContent = rgb.b;\n                el.hex.textContent = hexCode;\n                el.preview.style.backgroundColor = hexCode;\n                const lum = (0.299 * rgb.r + 0.587 * rgb.g + 0.114 * rgb.b) \/ 255;\n                el.previewText.style.color = lum > 0.5 ? '#000' : '#fff';\n            }\n\n            function copy(txt, btn) {\n                navigator.clipboard.writeText(txt).then(() => {\n                    const original = btn.textContent;\n                    btn.textContent = '\u30b3\u30d4\u30fc\u5b8c\u4e86\uff01';\n                    setTimeout(() => btn.textContent = original, 1200);\n                });\n            }\n\n            const inputs = [el.cNum, el.mNum, el.yNum, el.kNum, el.cRange, el.mRange, el.yRange, el.kRange];\n            inputs.forEach(i => i.addEventListener('input', () => update(i.type === 'number' ? 'num' : 'range')));\n            el.reset.addEventListener('click', () => { el.cRange.value = el.mRange.value = el.yRange.value = el.kRange.value = 0; update('range'); });\n            el.copyHex.addEventListener('click', () => copy(el.hex.textContent, el.copyHex));\n            update('range');\n        });\n    })();\n    <\/script>\n<\/div>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u5370\u5237\u7269\u3067\u4f7f\u7528\u3055\u308c\u308b\u300cCMYK\u5024\u300d\u3092\u3001WEB\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u306a\u3069\u306e\u30c7\u30b8\u30bf\u30eb\u8868\u793a\u306b\u9069\u3057\u305f\u300cRGB\u5024\u300d\u3084\u300cHEX\uff08\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\uff09\u300d\u306b\u5909\u63db\u3059\u308b\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u30fc\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u3067\u304d\u308b\u3053\u3068<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CMYK\uff08C\u30fbM\u30fbY\u30fbK\uff09\u306e\uff05\u5024\u3092RGB\uff080\u301c255\uff09\u3078\u5909\u63db<\/li>\n\n\n\n<li>CMYK\u5024\u304b\u3089WEB\u3067\u4f7f\u3048\u308bHEX\uff08#\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\uff09\u3092\u5373\u5ea7\u306b\u7b97\u51fa<\/li>\n\n\n\n<li>\u8272\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u6a5f\u80fd\u3067\u3001\u5909\u63db\u5f8c\u306e\u8272\u5473\u3092\u8996\u899a\u7684\u306b\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067HEX\u3084RGB\u5024\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3084\u30c7\u30b6\u30a4\u30f3\u30bd\u30d5\u30c8\u3078\u8cbc\u308a\u4ed8\u3051<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u53d6\u5f97\u3059\u308b\u60c5\u5831\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u30fbM\u30fbY\u30fbK\u306e\u5f79\u5272<\/strong>: \u30b7\u30a2\u30f3\uff08\u9752\u7cfb\uff09\u3001\u30de\u30bc\u30f3\u30bf\uff08\u8d64\u7cfb\uff09\u3001\u30a4\u30a8\u30ed\u30fc\uff08\u9ec4\u7cfb\uff09\u306e3\u8272\u306f\u8272\u3092\u6fc3\u304f\u3057\u307e\u3059\u304c\u30013\u8272\u3092\u6df7\u305c\u3066\u3082\u5b8c\u5168\u306a\u9ed2\u306b\u306f\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u9ed2\u5c02\u7528\u306e\u30a4\u30f3\u30af\uff08K\uff09\u3092\u52a0\u3048\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>HEX\uff0816\u9032\u6570\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\uff09\u3068\u306f<\/strong>: WEB\u5236\u4f5c\u3067\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u300c#FFFFFF\u300d\u306e\u3088\u3046\u306a\u5f62\u5f0f\u306e\u30b3\u30fc\u30c9\u3067\u3059\u3002RGB\u5024\u309216\u9032\u6570\u3067\u8868\u3057\u305f\u3082\u306e\u3067\u3001\u30c7\u30b8\u30bf\u30eb\u4e0a\u306e\u8272\u306e\u5171\u901a\u8a00\u8a9e\u3068\u3057\u3066\u4f7f\u308f\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u8f1d\u5ea6\u306e\u8abf\u6574<\/strong>: \u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u80cc\u666f\u8272\u306b\u5fdc\u3058\u3066\u6587\u5b57\u8272\uff08\u767d\/\u9ed2\uff09\u3092\u81ea\u52d5\u3067\u5207\u308a\u66ff\u3048\u308b\u30d7\u30ec\u30d3\u30e5\u30fc\u6a5f\u80fd\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u30c7\u30b6\u30a4\u30f3\u4e0a\u3067\u306e\u8272\u306e\u8996\u8a8d\u6027\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">\u3053\u306e\u30c4\u30fc\u30eb\u304c\u5f79\u7acb\u3064\u3068\u304d\u306f\u3069\u3093\u306a\u3068\u304d\uff1f\uff08\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f01\u696d\u306e\u30ed\u30b4\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08CMYK\u6307\u5b9a\uff09\u3092WEB\u30b5\u30a4\u30c8\u306eCSS\u306b\u53cd\u6620\u3055\u305b\u305f\u3044\u3068\u304d<\/li>\n\n\n\n<li>\u5370\u5237\u7528\u306e\u30c1\u30e9\u30b7\u30c7\u30b6\u30a4\u30f3\u3092\u3082\u3068\u306b\u3001Instagram\u306e\u6295\u7a3f\u753b\u50cf\u3084\u30d0\u30ca\u30fc\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u304d<\/li>\n\n\n\n<li>PDF\u8cc7\u6599\u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5370\u5237\u7528\u30ab\u30e9\u30fc\u3092\u3001Excel\u3084PowerPoint\u3067\u518d\u73fe\u3057\u305f\u3044\u3068\u304d<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">\u5370\u5237\u7269\u306e\u8272\u3092\u30c7\u30b8\u30bf\u30eb\u3067\u518d\u73fe\u3059\u308b\u30b3\u30c4<\/h2>\n\n\n\n<p>\u5370\u5237\u7269\u306e\u8272\u306f\u3001\u5468\u56f2\u306e\u5149\uff08\u7167\u660e\uff09\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u898b\u3048\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002CMYK\u304b\u3089RGB\u3078\u5909\u63db\u3057\u305f\u5f8c\u306f\u3001\u30c4\u30fc\u30eb\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u753b\u9762\u3092\u4f7f\u3044\u3001\u624b\u5143\u306b\u3042\u308b\u5b9f\u7269\u306e\u5370\u5237\u7269\u3068\u76ee\u8996\u3067\u6bd4\u8f03\u3057\u3066\u3001\u6700\u3082\u8fd1\u304f\u898b\u3048\u308b\u3088\u3046\u306b\u5fae\u8abf\u6574\u3092\u884c\u3046\u306e\u304c\u30d9\u30b9\u30c8\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RGB \u21d2 CMYK CMYK \u21d2 RGB CMYK\u3092\u5165\u529b C % M % Y % K % RGB \/ HEX \u5909\u63db\u7d50\u679c Preview SAMPLE TEXT HEX (\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9) #FFFFFF HEX\u3092\u30b3\u30d4\u30fc  &#8230; <\/p>\n","protected":false},"author":4,"featured_media":13542,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,56],"tags":[],"class_list":{"0":"post-12450","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tool","8":"category-conversion","9":"entry"},"_links":{"self":[{"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/posts\/12450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/comments?post=12450"}],"version-history":[{"count":0,"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/posts\/12450\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/media\/13542"}],"wp:attachment":[{"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/media?parent=12450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/categories?post=12450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rakkokeyword.com\/techo\/wp-json\/wp\/v2\/tags?post=12450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}