Free · No sign-up
Solid Color Background Generator
Live HEX / RGB / HSL sync, instant full-screen preview, wallpaper-size PNG & JPG download.
background-color: #3B82F6;
Popular colors
Size presets
What is a solid color background?
A solid color background is a single-hue image or screen fill used everywhere from phone and desktop wallpapers to Zoom virtual backgrounds, design mockups, video production and web development placeholders. Because every pixel is identical, it draws zero attention to itself — which is exactly the point. Product photos pop against solid white, video calls look tidy over deep navy, and a plain black screen is both the ultimate battery saver on OLED devices and the classic dead-pixel test.
This generator turns any color into a ready-to-use background in seconds. Paste a hex code or nudge RGB and HSL values — all three inputs stay in live sync — watch the full-screen preview update instantly, then export a pixel-perfect PNG or JPG at wallpaper, phone, 4K or any custom size. Nothing leaves your browser.
How to use this tool
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Pick a color. Enter a HEX code, use the color picker, click one of the 16 popular colors, or type RGB and HSL values — the inputs stay in sync and the preview updates as you type.
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Choose dimensions. Select a preset — wallpaper 1920×1080, phone 1080×1920, 4K 3840×2160 or square — or enter a custom width and height up to 8192px.
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Download. Click Download PNG or Download JPG to save the image, or press Fullscreen to fill your screen with the color instantly.
Use cases
📱 Phone wallpapers
Download the 1080×1920 preset for a clean lock screen that makes app icons and widgets easier to read. Pastel pink and mint are quiet favorites.
💻 Desktop wallpapers
1920×1080 or 4K solids reduce visual clutter on multi-monitor setups and give OLED displays a true-black option that saves power.
🎬 Video backgrounds
Upload a solid as a Zoom/Teams virtual background for a tidy, well-lit look — or use pure green as a chroma-key plate for real keying work.
🎨 Design mockups
Placeholder canvases, empty states and app splash screens all start from exact solids. Copy the CSS snippet straight into your stylesheet or design tokens.
🌐 Website backgrounds
Section backgrounds, hero fills and loading screens. Grab accessible pairs with the contrast checker before you commit.
🔬 Screen testing
Full-screen solids expose dead pixels, stuck sub-pixels and backlight bleed. The screen test tool cycles all test colors for you.
Supported color formats
Every color works in all of these notations — the generator converts between them live:
| Format | Example (Coral) | Where it's used |
|---|---|---|
| HEX | #FF7F50 | CSS, design tools, hex pickers |
| RGB | rgb(255, 127, 80) | CSS, image editors, screen math |
| HSL | hsl(16, 100%, 66%) | Human-friendly tweaks, shades & tints |
| CMYK | 0, 50, 69, 0% | Print estimates (screen colors aren't print-exact) |
Popular solid color backgrounds
Every color has its own page with hex codes, RGB values, shades, tints and accessibility contrast data.
More free color tools
Color Picker from Image
Upload a photo and click to grab the exact color — hex, RGB and HSL.
Palette Generator
Build harmonious 5-color palettes: complementary, analogous, triadic and more.
Hex to RGB Converter
Two-way converter between hex, RGB, HSL and CMYK with live preview.
Contrast Checker
Test text/background pairs against WCAG AA and AAA contrast rules.
Screen Test
Full-screen color cycles to find dead pixels, stuck pixels and backlight bleed.
Frequently Asked Questions
Is this solid color background generator free?
Yes — completely free with no sign-up and no watermarks. Every calculation, preview and download runs locally in your browser, so nothing you do here is uploaded anywhere.
What file formats can I download?
Both PNG and JPG. PNG is lossless and the safest choice for design work; JPG files are smaller, which is handy for phone wallpapers and email. Pick either with the download buttons under the preview.
Can I make a solid color wallpaper?
Yes. Pick a color, click the Wallpaper preset (1920×1080) — or 4K for high-resolution displays — and hit Download PNG. Set it as your desktop background and you have a perfectly clean, single-color wallpaper.
How do I set a solid color background on my phone?
Choose the Phone preset (1080×1920), download the PNG, then open your phone's wallpaper settings and select the image. The portrait ratio fits iPhone and Android lock screens without cropping.
Can I use a solid color as a Zoom or Teams background?
Yes. Download the Wallpaper preset, then upload the image in Zoom (Settings → Background & Effects) or Teams (Settings → Backgrounds). A calm navy or soft gray works especially well on video calls.
How do I make my whole screen a solid color?
Pick your color and press the Fullscreen button on the preview — your entire display fills with that single color. Press Esc to exit. This doubles as a dead-pixel test; the dedicated screen test tool cycles through test colors automatically.
Which color formats does the generator support?
HEX, RGB and HSL — all three inputs stay in live sync, so you can paste a hex code and read out RGB, or nudge HSL sliders and copy the resulting hex. The CSS snippet and CMYK values are one click away too.
Where can I learn more about a specific background color?
The color library documents all 41 colors — hex, RGB, HSL and CMYK codes, shades and tints, accessibility contrast and use cases. Start with a popular one like white or red.