Mind · Focus & Digital Minimalism

Digital Minimalism: How to Set Your Phone to Greyscale (and Whether It Works)

Thirty seconds, free and reversible. How to set it up, what the evidence says and what to pair it with.

Published Last updated 5 min read

Direct answer

Greyscale mode turns your phone's display grey to make icons, badges and feeds less eye-catching. On iPhone it is under Settings, Accessibility, Display & Text Size, Colour Filters. Evidence that it cuts screen time is limited to small studies, so treat it as a low-effort experiment and pair it with stronger steps like turning off notifications and deleting feed apps.

Key takeaways

  • Greyscale is a free, reversible accessibility setting on iPhone and Android.
  • Evidence that greyscale reduces screen time is limited to small studies.
  • Stronger evidence supports reducing notifications and blocking mobile internet.
  • Set up a triple-click shortcut so you can switch colour back for photos and maps.
  • Measure your screen time before and after so you know whether it helps you.

Turning your phone grey is one of the cheapest experiments in digital minimalism. It takes thirty seconds, costs nothing and is fully reversible. The idea is that bright red badges, colourful icons and vivid feeds are part of what makes a phone so easy to pick up, and removing the colour removes some of that pull. The evidence is limited, but the downside is close to zero.

What is greyscale mode?

Greyscale is an accessibility setting that displays everything on your screen in shades of grey. On iPhone it sits under Colour Filters; on Android it is part of colour correction settings or the Digital Wellbeing bedtime options, depending on the device. It was designed to help people with colour vision differences, but many people use it to make their phone less appealing.

Does greyscale actually reduce screen time?

The research is thin. A small 2020 study of college students, published in The Social Science Journal by Holte and Ferraro under the title "True colors: Grayscale setting reduces screen time in college students", reported less phone use after switching to greyscale. That is one small, short study, so treat greyscale as a promising experiment rather than a proven fix.

The bigger evidence base is about reducing access, not colour. A 2025 randomised trial that blocked mobile internet for two weeks improved attention and wellbeing (Castelo et al., PNAS Nexus, 2025). Greyscale works on a smaller lever, the visual appeal of the phone, so expect a smaller effect. Its value is that it is easy, and it combines well with stronger steps.

Why might removing colour make a phone less compelling?

  • Badges lose their urgency. A red notification dot is designed to catch the eye. In grey, it is just another mark.
  • Feeds look flatter. Photos and videos are less vivid, so scrolling feels less rewarding.
  • It interrupts autopilot. The unfamiliar look makes you notice that you have picked up the phone, which is often enough to put it down.

These are plausible mechanisms rather than tested ones. The honest way to find out if it helps you is to measure your own screen time before and after.

How do you turn on greyscale, step by step?

iPhone (per Apple's iPhone User Guide):

  1. Open Settings and tap Accessibility.
  2. Tap Display & Text Size, then Colour Filters.
  3. Turn on Colour Filters and choose Greyscale.
  4. Optional: set up the Accessibility Shortcut (Settings, Accessibility, Accessibility Shortcut, Colour Filters) so a triple-click of the side button toggles greyscale when you need colour for photos or maps.

Android (per Google's Android Accessibility Help; menu names vary by manufacturer): open Settings, tap Accessibility, then Colour and motion, then Colour correction, turn it on and choose the greyscale mode if your device offers it. Many Android phones also offer greyscale as part of Digital Wellbeing's bedtime mode.

How does greyscale compare with other phone tactics?

TacticEffortStrength of evidenceBest paired with
GreyscaleVery lowLimited (small studies)Notification clean-up
Turning off non-essential notificationsLowLab evidence that notifications disrupt attentionGreyscale, batching
Deleting social apps from the phoneModerateDeactivation experiments show wellbeing gainsDesktop-only social media
Blocking mobile internetHighRandomised trial evidence (2025)Set computer windows
Phone out of the roomLowRemoves notifications and easy accessDeep work blocks

On notifications, a 2015 study found that simply receiving a phone alert, without answering it, impaired performance on an attention task (Stothart et al., 2015). A separate 2019 study in Computers in Human Behavior by Fitz and colleagues, "Batching smartphone notifications can improve well-being", found benefits from receiving notifications in batches rather than continuously.

What does a complete low-distraction phone setup look like?

  1. Greyscale on, with the triple-click shortcut for when you need colour.
  2. Notifications off for everything except calls, messages from real people and essential apps.
  3. Home screen cleared to tools only (maps, calendar, camera, notes). Move everything else into the App Library or a folder on the last page.
  4. Social apps deleted or moved to desktop use only.
  5. Phone charges outside the bedroom. Screens before bed delay sleep timing (Chang et al., PNAS, 2015).
  6. Weekly screen-time check. Compare the numbers to your baseline so you know what is working.

What are the common mistakes?

  • Expecting greyscale alone to fix compulsive use. It reduces the pull a little; it does not remove the habit loop. Pair it with notification and app changes.
  • Not measuring. Note your average daily screen time for a week before you switch, then compare.
  • Toggling colour back on all day. Use the shortcut for photos and maps, then switch back.
  • Forgetting accessibility needs. If you rely on colour for medical apps, safety alerts or work, adjust the setup rather than forcing greyscale everywhere.

What should you try if greyscale is not enough?

Move up the ladder. The next step is blocking mobile internet for set hours or running a full dumbphone experiment. And point the reclaimed attention at something worthwhile: a protected deep work block, training, or reading. If you find yourself using your phone to escape tasks you are avoiding, the root problem may be procrastination rather than the phone itself.

General information. Today Forge essays are education, not professional, medical or financial advice.

Read next · MindThe Dumbphone Experiment: Reclaiming Attention from AlgorithmsA 2025 trial found blocking mobile internet improved attention and wellbeing. How to run the experiment yourself.

References

  1. Change colour and brightness on iPhone (Apple iPhone User Guide)support.apple.com
  2. Change text and display settings (Android Accessibility Help, Google)support.google.com
  3. Blocking mobile internet on smartphones improves sustained attention, mental health, and subjective well-being (Castelo et al., PNAS Nexus, 2025)pubmed.ncbi.nlm.nih.gov
  4. The attentional cost of receiving a cell phone notification (Stothart, Mitchum and Yehnert, 2015)pubmed.ncbi.nlm.nih.gov
  5. Evening use of light-emitting eReaders negatively affects sleep (Chang et al., PNAS, 2015)pubmed.ncbi.nlm.nih.gov

FAQ

  • Does greyscale damage my phone or battery?

    No. It is a display filter. It does not harm the screen, and any effect on battery life is likely to be minor.

  • Can I schedule greyscale for certain hours?

    On iPhone you can use Shortcuts automations or Focus modes to change settings at set times. Many Android phones include greyscale in bedtime mode.

  • Will greyscale stop me checking my phone?

    It may reduce the pull a little, but it does not remove the habit. Combine it with fewer notifications and keeping the phone out of reach.

  • Is greyscale the same as dark mode or Night Shift?

    No. Dark mode changes backgrounds to dark colours and Night Shift warms the colour temperature. Greyscale removes colour entirely.

  • How long should I try greyscale before judging it?

    Give it at least two weeks and compare your average daily screen time with the week before you switched.

About the author

Josh

Finance broker, disciplined trader, and lifter. I document practical systems for risk, training, and discipline so readers can build results that compound.

If this helped you, reach out. I read every message and update the playbook when new data shows up.