色に関するブログ

The International Standards Organization has defined ISO 12647 as a set of Graphic Arts standards for printing. Included are eight parts: Part 1:  Print parameters and measurement methods Part 2:  Offset lithographic processes Part 3:  Coldset offset lithography on newsprint Part 4:  Gravure printing Part 5:  Screen printing Part 6:  Flexographic printing Part 7:  Proofing processes working directly from digital data Part 8:  Validation print processes wo...

ICCカラーマネジメントとは、撮影からプルーフィング、最終出力まで、予測でき、一貫性があるワークフローを実現することです。 カラーマネジメントのワークフローを実現するために、デバイスのキャリブレーションを行い、カメラやモニター、プロジェクター、スキャナー、プリンターなど、すべてのコンポーネントに対して、ICCプロファイルを作成する必要があります。   なぜキャリブレーションとプロファイルが必要なのか？ 最高の結果を得るためには、ワークフローにおける各デバイスのキャリブレーションを行い、正確にカラーを実現できるようにする必要があります。 次に、同じカラーの認識が一致するため、ICCプロファイルを作成する必要があります。なぜかというと、同じ色でも、再現フォーミュラーがそれぞれのデバイスで大きく異なるからです。 カメラとモニターは同じRGBでも、色再現の手段が異なります。CMYKを使用するプリンターとプレス（印刷機）も同様です。ICCプロファイリングは、両者に共通認識を与え、カラーデータを共有できるようにするものです。 ICCプロファイル作成方法一覧   エックスラ...

Black Friday. Not only is it the much anticipated start to holiday shopping, it’s also a day manufacturers have been preparing for all year long. Whether mass-producing holiday cards, candy canes, plastic toys, or festive clothing, accurate color is a must. Manufacturers can’t ship two of the same toy if they won’t match on the showroom floor, and holiday sweaters that are a shade off will end up at a discount store instead of a fashion boutique. Perfection is especially import...

In a perfect world, you should be able to put ink in the press and run a job.  Unfortunately, there are so many variables that affect color that printing operations often waste thousands of pounds of substrate, and thousands of dollars in press time, making adjustments. Advancements in technology have made it easier to measure color, but the variables still exist. To help you over come them, we’ll be featuring a series that points out many of the reasons your color could go wrong at press side....

FLEXO Magazine just published a study conducted by Clemson University, Sun Chemical, and X-Rite that verifies that PantoneLIVE Dependent Standard Targets can be achieved with 98% accuracy. This is big news for the many brand owners, designers, prepress professionals, printers and converters around the world who rely on PantoneLIVE to communicate and accurately produce their color. The focus of PantoneLIVE is to protect brand colors and ensure production consistency across everything from flexibl...

The X-Rite eXactTM is a portable spectrophotometer designed for pressroom use. Two big reasons for its success are it’s cordless operation and innovative color touch screen, which it make it very easy for printers and packaging converters to understand, control, manage, and communicate color from anywhere on the pressroom floor. Today we’ll take a look at the top five features that make the eXact an invaluable tool for offset litho, flexo, and digital printers. Wireless operation, plus unteth...