.container {
display: flex;
flex-direction: row;
justify-content: flex-start;
align-items: stretch;
flex-wrap: nowrap;
gap: 12px;
min-height: 300px;
}flex flex-row justify-start items-stretch flex-nowrap gap-3 min-h-[300px]This tool is part of these guided projects. Each project provides step-by-step instructions with checklists and all the tools you need in one place.
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The Flexbox Generator converts between RGB, HSL, HSV, and hex using standard linear transforms. Gamma-correct sRGB values are assumed unless otherwise noted.
HSL ↔ RGB via standard cylindrical transformContrast ratios are computed per WCAG 2.1 relative luminance formula. Results indicate AA and AAA compliance for normal and large text.
Contrast = (L1 + 0.05) / (L2 + 0.05)Generated values are emitted in copy-ready formats (hex, CSS, Tailwind, SVG). Precision is tuned for design tools without unnecessary floating-point noise.
Updated: July 2026
A UI designer uses the Flexbox Generator to explore complementary colors and verify WCAG contrast before handing specs to developers.
A front-end developer checks spacing, ratio, or typography values with the Flexbox Generator while implementing a Figma mockup in CSS.
A freelancer generates live examples with the Flexbox Generator during a client call to agree on visual direction without switching tools.
Use our free Flexbox Generator for fast, accurate results in your browser. No signup or installation required — works on any device.