--- type: faq-hub title: "Color & Ink" description: "Color and ink glossary: 4/0 versus 4/4, color both sides, Pantone PMS colors and other ink terms on a print quote." resource: https://www.4over4.com/faqs/color-ink tags: ["faq-hub"] generated: by: "process:4over4-mapp-build" at: 2026-10-20T21:15:07.566Z timestamp: 2026-10-20T21:15:07.566Z sources: - resource: https://www.4over4.com/faqs/color-ink title: "Color & Ink" status: stable --- # Color & Ink Color and ink glossary: 4/0 versus 4/4, color both sides, Pantone PMS colors and other ink terms on a print quote. 30 answers about color & ink. - [What is the difference between 4/0 and other color printing options?](https://www.4over4.com/faqs/color-ink/what-is-the-difference-between-4-0-and-other-color-printing-options) - [What does 'color back and front' or 'color both sides' mean for pocket folders?](https://www.4over4.com/faqs/color-ink/what-does-color-back-and-front-or-color-both-sides-mean-for-pocket-folders) - [What is a Pantone (PMS) color?](https://www.4over4.com/faqs/color-ink/what-is-a-pantone-pms-color) - [What is a spot color?](https://www.4over4.com/faqs/color-ink/what-is-a-spot-color) - [What is process color?](https://www.4over4.com/faqs/color-ink/what-is-process-color) - [What is registration black?](https://www.4over4.com/faqs/color-ink/what-is-registration-black) - [What is a halftone?](https://www.4over4.com/faqs/color-ink/what-is-a-halftone) - [What is a moire pattern in printing?](https://www.4over4.com/faqs/color-ink/what-is-a-moire-pattern-in-printing) - [What is dot gain?](https://www.4over4.com/faqs/color-ink/what-is-dot-gain) - [What is a color gamut?](https://www.4over4.com/faqs/color-ink/what-is-a-color-gamut) - [What is total ink coverage (TAC)?](https://www.4over4.com/faqs/color-ink/what-is-total-ink-coverage-tac) - [What is a knockout in printing?](https://www.4over4.com/faqs/color-ink/what-is-a-knockout-in-printing) - [What is a duotone?](https://www.4over4.com/faqs/color-ink/what-is-a-duotone) - [How accurate is the color reproduction for photography prints and postcards?](https://www.4over4.com/faqs/color-ink/how-accurate-is-the-color-reproduction-for-photography-prints-and-postcards) - [Does 1/0 black ink on envelopes mean grayscale or solid black only?](https://www.4over4.com/faqs/color-ink/i-am-looking-to-select-1-0-black-ink-for-my-envelopes--does-that-mean-i-can-print-grayscale-or-solid-black-only) - [How do I print rich black colors without unwanted casts?](https://www.4over4.com/faqs/color-ink/what-advice-does-4over4-offer-for-printing-rich-black-colors-without-unwanted-ca) - [What file format and color mode should I use for printing?](https://www.4over4.com/faqs/color-ink/what-file-format-and-color-mode-should-i-use-for-printing) - [If my file has black ink and faded grey on the back, does it need black only or full color printing?](https://www.4over4.com/faqs/color-ink/if-my-file-has-black-ink-and-faded-grey-colors-on-the-back-should-i-select-black) - [Can color saturation be adjusted during production?](https://www.4over4.com/faqs/color-ink/can-color-saturation-be-adjusted-during-production) - [What do printing color codes like 4/0, 4/4 and 1/0 mean?](https://www.4over4.com/faqs/color-ink/what-color-options-are-available-for-printing-like-4-0-4-4-1-0) - [How do color printing options like 4/0 and 4/4 affect pricing?](https://www.4over4.com/faqs/color-ink/what-color-printing-options-are-available-and-how-do-they-affect-pricing) - [Why do my printed cards have color variations or slight shade differences?](https://www.4over4.com/faqs/color-ink/why-do-my-printed-cards-have-color-variations-or-slight-shade-differences) - [What if I want to print with more than 4 colors?](https://www.4over4.com/faqs/color-ink/what-if-i-want-to-print-with-more-than-4-colors) - [Will a proof made from an RGB file show accurate printed colors?](https://www.4over4.com/faqs/color-ink/if-i-upload-a-rgb-profile-will-the-proof-have-pretty-accurate-colors-to-what-wil) ## Didn't find your answer? Our team replies within 24 hours. [Submit a ticket](https://www.4over4.com/company/contact)