The best space Chrome themes include Nebula, Colorful Galaxy, Dark Space, and Milky Way Over The Sea, surrounding your tabs with deep-space views and glowing nebulae. Whether you want colorful galaxies or a dark space background that cuts screen glare, these designs give your new tab page an instant upgrade.
This list features themes with stars, Milky Way views, planets, Earth from space, black holes, and astronauts. Every pick below is free to install directly from the Chrome Web Store.
1. Nebula
🎨 About: Nebula displays deep violet and magenta cosmic gas clouds with countless bright white stars scattered across a dark new tab background. The browser top bar features dark purple tabs that match the space art, while the clean Google search box stays easy to find in the center.
👍 Why We Chose It: It is one of the most popular space themes on the store, offering rich nebula imagery that looks great without washing out your screen. The dark purple toolbar is gentle on your eyes during long sessions while letting the glowing starfield stand out.
Active Users: ~200,000
2. Colorful Galaxy
🎨 About: Colorful Galaxy styles the upper browser window and tab strip with a vivid starfield filled with purple, blue, and magenta tones. The main browsing area keeps web pages bright and clear, framed by the starry galaxy pattern across the top bar.
👍 Why We Chose It: This theme is ideal if you want galaxy styling without changing your main browsing area to solid black. The colorful top banner gives every tab an energetic cosmic feel while keeping your day-to-day web content crisp and legible.
Active Users: ~200,000
3. Dark Space
🎨 About: Dark Space features a quiet, charcoal-black background filled with subtle grey-blue dust clouds and sharp white stars. The top frame uses a dark slate finish that blends smoothly into dim room lighting, keeping bookmarks and shortcut tiles easy to spot.
👍 Why We Chose It: This theme is a dependable pick for users who want a true dark-space look without bright neon colors. The soft dust clouds and black sky help reduce screen glare during late-night browsing, making it a comfortable pick for fans of dark themes.
Active Users: ~200,000
4. Milky Way Over The Sea
🎨 About: Milky Way Over The Sea displays a night photograph of the glowing Milky Way arching across a starlit sky above a calm ocean and rocky shoreline. The browser toolbar and tabs use a deep navy and charcoal frame that matches the night water.
👍 Why We Chose It: We chose this theme for its realistic night-sky photography. The warm glow of the galactic core contrasting against the cool blue sea creates a tranquil, scenic view every time you open a new tab.
Active Users: ~100,000
5. Deep Space Theme in Black
🎨 About: Deep Space Theme in Black presents a telescope-style deep-field view packed with distant spiral galaxies, glowing star clusters, and cosmic points of light against an inky black sky.
👍 Why We Chose It: This is the best choice for astronomy fans who love real deep-space imagery. Instead of fantasy art, it showcases the sheer scale of the cosmos with authentic deep-field galaxies, giving your browser a sleek, pitch-black backdrop.
Active Users: ~70,000
6. Space Planet
🎨 About: Space Planet features a dramatic orbital view of a giant ringed planet resembling Saturn in cool teal and navy tones. Wide icy rings sweep across the foreground, while a small moon orbits in the misty space background under scattered bright stars.
👍 Why We Chose It: If you prefer planets over open starfields, Space Planet delivers a bold sci-fi view. The curving planetary rings create a sense of scale across wide screens, and the cool blue-green palette feels calm and focused.
Active Users: ~50,000
7. Black Hole
🎨 About: Black Hole showcases a glowing golden-orange accretion disk swirling around a dark event horizon against a black starry background. The active tab and toolbar highlights use a matching warm orange accent, while the surrounding frame stays dark.
👍 Why We Chose It: We picked Black Hole for its high-contrast energy. The bright fiery ring pops sharply against the dark space background, giving your new tab page an unforgettable astronomical centerpiece without cluttering your browser tools.
Active Users: ~50,000
8. Space Lagoon
🎨 About: Space Lagoon brings an emerald and teal color scheme to your browser with gas clouds inspired by the Lagoon Nebula. Sparkling blue and green stars cover the new tab background, paired with a matching cyan-teal toolbar and tab bar.
👍 Why We Chose It: Most space themes rely heavily on blue or purple, so Space Lagoon stands out with its distinct green and teal tones. The uniform colored frame gives your browser a consistent look that feels refreshing during daytime browsing.
Active Users: ~40,000
9. Lone Space
🎨 About: Lone Space depicts an astronaut floating on a tether in deep space alongside planet Earth. A golden sunburst flares behind the planet’s curved edge, casting warm light across the clouds while city lights sparkle on the night side of the globe.
👍 Why We Chose It: This theme captures the peaceful quiet of a spacewalk. The combination of the tethered astronaut, the glowing Earth, and the warm sunlight flare gives your browser a cinematic feel every time you open a tab.
Active Users: ~30,000
10. Earth From Space
🎨 About: Earth From Space shows our home planet from high orbit, with glowing city lights visible across Asia on the night side and sunlight gleaming along the horizon. The Moon hovers in the upper right against a deep navy sky dotted with subtle stars.
👍 Why We Chose It: We chose this theme for its clear orbital perspective. Watching the glowing web of city lights meet the blue curve of the atmosphere makes for an inspiring backdrop that stays clean and practical behind your search bar.
Active Users: ~20,000
11. Milky Way Stars over Pine Valley, Utah
🎨 About: This theme captures a night-sky landscape over Pine Valley, Utah, where a dense band of Milky Way stars arches across the sky. Dark silhouettes of pine trees and mountain ridges line the bottom edge, resting quietly above a reflective mountain lake.
👍 Why We Chose It: It is a standout choice for anyone who loves both outdoor scenery and stargazing. The dark mountain silhouettes anchor the bottom of the screen, making the dense starfield feel like a real night spent camping in the wilderness.
Active Users: ~20,000
12. Astronaut
🎨 About: Astronaut presents a scene of an explorer in a vintage space suit walking across foggy ground near the wreckage of a capsule. Muted earthy brown and mist tones dominate the foreground under a dim, starry sky, framed by dark tabs.
👍 Why We Chose It: We love this theme because it takes an adventurous approach to space imagery. Instead of an orbit view, it feels like exploring a distant world, offering a moody, low-glare look that fits comfortably into any dark workspace.
Active Users: ~10,000
If you prefer darker browser designs that cut screen glare, see our best dark Chrome themes. For outdoor scenery that pairs well with the night-sky look, check out our favorite mountain Chrome themes. Prefer a brighter workspace instead? See our top light Chrome themes for daytime browsing.