Guide
QR codes and color contrast in your browser
Generate QR codes, convert hex/RGB/HSL, and check WCAG contrast privately — no upload required.
Published 2026-08-07
Labels, landing pages, and accessibility fixes often need three small utilities in one sitting: a QR for a URL, a hex↔RGB conversion, and a contrast check before shipping UI. Hosted generators add friction; a private utilities cluster keeps values on-device.
QR for links and tickets
QR Code Generator encodes text or URLs as a PNG you can download for print or slides. Prefer a dedicated QR tool when you do not need retail symbologies; use Barcode Generator when you need Code128 or EAN.
Color convert, then check contrast
- Convert brand tokens with Color Converter (hex, RGB, HSL).
- Paste the resulting hex pair into Contrast Checker.
- Aim for WCAG AA at minimum for body text; AAA when you can.
Related tools
- QR Code Generator — PNG QR from text or URL
- Color Converter — hex ↔ RGB ↔ HSL
- Contrast Checker — WCAG contrast ratios
Try these tools
Frequently asked questions
Do QR or color tools upload my values?
No. QR Code Generator, Color Converter, and Contrast Checker on Toolverse by RS run in your browser.
Is contrast checking the same as designing a palette?
No. Contrast Checker reports WCAG ratios for a foreground/background pair. Build the palette elsewhere, then verify here.
More long-form writing may also appear on blog.rsroshi.dev.