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Create CSS colors and effects, inspect color values, and check accessible contrast for websites and digital designs.
Choose a tool below to start working immediately.
Generate CSS border-radius with independent control over all four corners. Choose from presets or set each corner manually up to 200px — copy the CSS instantly.
Color ToolsGenerate CSS box-shadow with sliders for X/Y offset, blur, spread, color, and opacity. Toggle inset mode and copy the ready-to-use CSS instantly.
Color ToolsGenerate harmonious color palettes in 6 modes — complementary, analogous, triadic, split-complementary, tetradic, or monochromatic — from any base color.
Color ToolsCheck color contrast ratios against WCAG AA and AAA standards for normal and large text. Enter two colors and see instant pass/fail results with the ratio.
Color ToolsConvert HEX color codes to RGB, HSL, HSV, and CMYK. Supports 3-digit shorthand hex and shows all color formats at once — copy any value instantly.
Color ToolsGenerate linear or radial CSS gradients with up to 8 color stops. Adjust angle and stop positions with a live preview, then copy the gradient CSS.
Color Tools