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Color background generator

Image

Color background generator with solid and two-color gradient modes - adjust the gradient angle from 0 to 360 degrees or apply hand-picked gradient presets. Built-in ratios like 1:1, 4:5, 16:9, and 9:16 plus popular sizes for Instagram, YouTube thumbnails, Open Graph, Full HD, and 4K, with live preview and PNG / JPG / WebP export. Gradient mode also generates ready-to-copy CSS code for web development. Everything runs locally in your browser; no images are ever uploaded.

Live preview

Scaled to fit - exports use the real pixel size

Gradient16:91920 × 1080
#6366F1 -> #EC4899 · 135°
Popular sizesUse cases

CSS Gradient

Copy-paste ready for your styles

background: linear-gradient(135deg, #6366F1 0%, #EC4899 100%);

Color background generator

Create solid and gradient color backgrounds online for social media, websites, presentations, videos, and design projects. Choose one color for a clean solid background or combine two colors into a smooth linear gradient.

Customize the start and end colors, gradient angle, image size, aspect ratio, and export format. Presets cover common sizes for Instagram, Stories and Reels, YouTube thumbnails, Open Graph, Full HD, and 4K.

For web projects, copy the generated CSS linear-gradient directly into your styles, or download the result as PNG, JPG, or WebP. Everything runs locally in your browser and no images are uploaded.

FAQ

Does it support solid and gradient backgrounds?

Yes. Solid mode takes a single color, while gradient mode uses two colors with an adjustable 0-360 degree angle and one-click gradient presets.

Can I copy the CSS code?

Yes. Gradient mode generates linear-gradient CSS in real time - click Copy CSS and paste it straight into your styles.

What sizes are supported?

Built-in ratios include 1:1, 4:5, 3:2, 4:3, 16:9, 9:16, and 21:9, plus popular sizes for Instagram, YouTube thumbnails, Open Graph, Full HD, 4K, and presentations. Any custom width and height works too.

What export formats are available?

PNG, JPG, and WebP export are supported.

Is this tool free?

Completely free with no sign-up. It runs locally in your browser with no uploads.

Why use this background generator?

It combines solid and gradient image generation with CSS gradient output in one simple browser-based tool.

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