Colour

Member lesson

Colour in print versus on screen

Lesson 22 of 27 in Colour.

Why don't printed colors match what I see on the screen ? (5 things to consider) · Oppaca Tube
Lesson

A screen emits light and paper reflects it, and everything else follows from that. A screen at full brightness in a dark room can show a blue no ink can approach, and a printed black on good stock can look deeper than a screen's black in daylight.

spot inkoutside bothvisiblesolid line · CMYK · dashed · RGBthe screen cannot show you the ink
The screen gamut, the print gamut and a spot colour outside both.
In a dim studio a designer holds a printed blue square next to a laptop showing a much brighter glowing blue square.
A designer holds a printed swatch beside a glowing screen of the same blue. The screen gives off light while paper only reflects it, so the two never fully match.
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  1. Question 1, locked

    A brand's vivid screen orange is converted to CMYK for its first print run. What does the lesson say usually happens?

    • It prints brighter, since ink is denser than light
    • It prints almost identically if the file is set up well
    • It comes back noticeably duller, often found at proof
    • It shifts towards red, but keeps its brightness
  2. Question 2, locked

    A brand's main surface is its packaging. How does the lesson say it should specify its colour?

    • Specify on screen and hope the print matches
    • Specify a spot ink and derive the screen value
    • Specify one value and use it for both media
    • Specify in CMYK and let the printer adjust it later
  3. Question 3, locked

    A designer has a calibrated monitor in a controlled room and wants to sign off print colour on it. What does the lesson say?

    • That is fine, as calibration removes the difference
    • That works for spot inks but not for process colour
    • That is acceptable if the room lighting is dimmed
    • Never judge print colour on a screen, use proofs

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