The Great Debate
Light mode vs dark mode — one of the most polarizing topics in tech. But let's be honest: most of us developers are team dark mode.
It's Not Just Aesthetics
There are practical reasons:
🧠 Reduced Eye Strain
Staring at a bright white screen for hours in a dimly lit room causes eye fatigue. Dark backgrounds reduce the overall luminance, making it easier on the eyes during long coding sessions.
🔋 Battery Savings
On OLED and AMOLED screens (which most modern laptops and phones use), dark pixels actually consume less power. Google found that YouTube in dark mode saved up to 60% battery on OLED screens.
🎯 Focus
Dark UIs tend to recede into the background, letting the content — code, text, images — take center stage. There's less visual noise competing for your attention.
Dark Theme Best Practices
Not all dark themes are created equal. Here's what makes a good one:
- Avoid pure black (#000) — it creates too much contrast. Use dark grays like #0a0a0f or #12121a instead.
- Use muted colors — bright text on dark backgrounds can cause halation (text appearing blurry). Stick to #e0e0e0 range.
- Accent colors matter — a good accent (purple, cyan, or green) adds personality without overwhelming.
- Respect contrast ratios — WCAG AA requires at least 4.5:1 for normal text.
That's exactly the approach I took with this blog's theme. Give it a try on your next project!