Products · Pattern or everyday thing
Dark mode
Raised as a usability problem by 129 people on Hacker News over 18 years (2009–2026), in 99 threads.
- 1
- 2
- 3
- 1
- 2
- 3
- 4
- 5
- 6
Every issue, all time, most people first
Light text on dark backgrounds is harder to readUnreviewed
20092026- Pitch black dark modes make text blur and hard to read2026-11-03
- Dark theme is nearly impossible to read for people with astigmatism2026-10-22
- Some dark mode and custom font settings make text unreadable, blurring digits into other characters2026-06-06
Dark mode is inconsistent across sites and appsUnreviewed
20092026- Tables become unreadable when the site is viewed in dark mode2026-05-26
- Dark mode is straining to read in daytime and office lighting2026-01-18
- Gray-based dark modes are harder to read and discern content2026-01-18
Eyes hurt after a minute or two of dark mode readingUnreviewed
20092026- Bright letters bleed and ghost into dark surroundings, causing eyestrain2022-12-19
- Eyes hurt after a minute or two reading in dark mode2022-12-12
- Bright highlights and poor contrast strain the eyes when coding at night2022-12-12
Per-site dark mode toggles are hard to find in settingsUnreviewed
20092026- No site toggle, so switching one site to light mode means changing OS settings and back2023-07-05
- Users can't tell whether a site offers a dark mode toggle, so they search for one that may not exist2023-06-24
- Each site has its own dark mode toggle, which is hard to find among settings2023-06-24
Must pick one theme globally, with no per-app choiceUnreviewed
20092026- One theme is always worse, and users must pick one globally without per-app choice2026-01-17
- Has to study the app closely to find the option to switch to light theme2019-09-01
- Apps hard-code colors so user's OS theme settings don't apply, requiring per-app setup2017-11-17
White flash when loading dark pages is painful in dark roomsUnreviewed
20092026- Pages flash unstyled before the dark theme applies, and the extensions feel clunky2026-01-09
- White flash when loading dark mode pages is painful in dark rooms2025-06-17
- Annoying white flash appears on every page load2018-10-05
Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.
The newest 50 complaints
- Pitch black dark modes make text blur and hard to read2026-11-03
- Dark theme is nearly impossible to read for people with astigmatism2026-10-22
- Removing the clear on/off control for automatic theme switching makes it harder to toggle2026-08-14
- User can't tell what the setting will do or set the OS-preference option2026-08-14
- Hiding the override makes users wait for a time or change system settings to switch2026-08-14
- Some dark mode and custom font settings make text unreadable, blurring digits into other characters2026-06-06
- Dark-background text makes letters seem to blur and overlap, causing headaches and forcing the reader to quit2026-06-06
- Tables become unreadable when the site is viewed in dark mode2026-05-26
- Pure black background with white text is painful to read, forcing workarounds2026-04-20
- Light letters on dark backgrounds glare and are hard to read2026-04-19
- Paragraph text in dark mode has too little contrast, so it is hard to read2026-02-13
- Dark mode is straining to read in daytime and office lighting2026-01-18
- Gray-based dark modes are harder to read and discern content2026-01-18
- White text on dark background is harder to read than the reverse2026-01-18
- One theme is always worse, and users must pick one globally without per-app choice2026-01-17
- Pages flash unstyled before the dark theme applies, and the extensions feel clunky2026-01-09
- Dark-background text is unreadable for the commenter, and finding the theme switch is a pain2025-12-15
- Hard-coded text colors make dark themes unreadable, with black text on black backgrounds2025-12-12
- Black-on-white text was unusable for a person with temporarily altered eyesight2025-11-24
- Hard to focus on dark mode screens, especially spreadsheets2025-11-23
- Light text on dark backgrounds is harder to read, so fonts get bolded2025-11-23
- Dark themes make code harder to read clearly than light themes2025-11-23
- Text is hard to read in dark mode because of astigmatism2025-11-01
- Link text is hard to read or see in dark mode2025-10-14
- Dark themes make all text an unreadable blurry mess for the commenter2025-10-07
- Light/dark toggle never fully automates, so user must manually type goDark or goLight2025-08-27
- Forced dark mode breaks many websites and makes them look bad2025-08-23
- Parts of the UI ignore the dark theme, causing dark-on-dark or light-on-light contrast2025-08-13
- Night mode is a hard-to-use flashlight effect that is nearly unusable2025-08-06
- White flash when loading dark mode pages is painful in dark rooms2025-06-17
- First click on theme switch does nothing when system theme is dark2025-04-10
- Small white-on-black sans text is hard to read; text fills only a third of the screen2025-04-05
- Dark mode UI is unreadable on phones in bright sunlight2025-01-22
- Dark mode UIs are nearly impossible to read in bright sunlight2025-01-19
- Sites with forced dark or low-contrast colours are hard to read for some people2025-01-19
- Apps add dark mode late, leaving visual bugs where panels become unreadable2024-09-05
- Dark-on-light screens cause afterimages for this reader when viewed2024-09-05
- Some dark modes have poor contrast and are painful to use2024-07-08
- Dark mode editor themes use grey shades that are unreadable2024-07-08
- White text on black background causes eye strain and hard readability for astigmatism2024-07-08
- Opt-out toggle is hard to find before data is already taken2024-02-28
- Dark mode inconsistent across websites and apps, making night reading jarring2024-02-21
- Dark mode backgrounds are too dark, causing eye fatigue like light mode2024-02-18
- Dark mode text becomes dull and harder to read when dimmed2024-01-30
- Dark mode exists as a workaround for dim-enough screens and poor borders in flat UI2023-11-27
- Dark mode text is hard to read without glasses and becomes tiring2023-10-12
- Clicking the sun switch blanks the UI, leaving text readable only by hovering through a fuzzy radius2023-10-02
- Light text on black backgrounds causes eye strain and text burn-in2023-09-14
- QR code becomes unscannable when system dark mode is applied to a page2023-09-06
- No site toggle, so switching one site to light mode means changing OS settings and back2023-07-05