Design & Color Tools
Explore practical color and design tools with NevioTools. Pick colors from images, create palettes and gradients, check contrast, mix colors, generate tints and shades, and build ready-to-use favicons, placeholders, CSS effects, SVG patterns and custom shapes directly in your browser.
Color Tools
Pick, extract, combine and evaluate colors for websites, graphics and other creative projects.
Color Picker
Select a color visually and copy its HEX, RGB, HSL, HSV or OKLCH values.
Image Color Picker
Upload an image, select any pixel and identify its exact color values.
Image Color Palette Extractor
Extract the dominant colors from an image and download or copy the resulting palette.
Color Palette Generator
Create a coordinated color palette from a selected base color or starting value.
Color Harmony Generator
Generate complementary, analogous, triadic and other color combinations based on color theory.
Gradient Generator
Build linear or radial color gradients, adjust their direction and copy the generated CSS.
Color Contrast Checker
Check text and background color combinations against WCAG accessibility contrast requirements.
Color Mixer
Mix two selected colors, adjust their proportions and view the resulting intermediate shades.
Tints & Shades Generator
Generate lighter tints and darker shades from any selected base color.
Random Color Generator
Generate random colors and copy their values in common color formats.
Design Generators
Generate practical visual assets and reusable CSS or SVG code without specialized design software.
Favicon Generator
Create favicon files in common browser sizes from an uploaded image, logo or custom design.
Placeholder Image Generator
Generate placeholder images with custom dimensions, colors, text and output format.
CSS Box Shadow Generator
Design single or layered box shadows visually and copy the finished CSS code.
CSS Border Radius Generator
Adjust each corner visually, preview the resulting shape and copy its CSS border-radius values.
CSS Clip-Path Generator
Create custom polygon and geometric shapes visually and copy the generated CSS clip-path code.
SVG Pattern Generator
Build customizable repeating SVG patterns for backgrounds and download or copy the finished code.
Blob Generator
Generate editable organic SVG shapes by adjusting their size, complexity, color and randomness.