Design & CSS Tools
Free online design and CSS utilities. Generate color palettes, verify WCAG 2.1 contrast ratios, generate gradients, box shadows, border radiuses, and calculate aspect ratios and print DPI.
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Color Palette Generator
Generate harmonious color schemes (analogous, triadic, monochromatic, complementary).
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WCAG Contrast Checker
Calculate color contrast ratios and verify WCAG 2.1 Level AA & AAA compliance.
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CSS Gradient Generator
Create linear and radial CSS gradients with multi-color stop controls.
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CSS Box Shadow Generator
Generate smooth multi-layered CSS box shadows with blur, spread, and inset.
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CSS Border Radius Generator
Create 8-value CSS border radiuses and rounded corner shapes.
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Aspect Ratio Calculator
Calculate 16:9, 4:3, 1:1, 9:16 aspect ratios and scale dimensions proportionally.
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DPI / PPI Print Calculator
Convert digital pixel dimensions to physical print inches and centimeters at 300 DPI.
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