Simulate color rendering under Protanopia, Deuteranopia, Tritanopia, and Achromatopsia.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Select or type a hex color code.
Inspect live color swatches across all 4 visual deficiencies.
Ensure UI state is distinguishable without relying solely on red/green hue.
Deuteranopia is green-blindness, the most common form of color deficiency affecting ~6% of men.
It ensures critical UI status badges (success/error) remain clear to all users.
Zero-egress companion tools in the Color & Palette suite
Generate lightweight CSS linear-gradient checkerboard grids for transparent canvas backgrounds.
Generate high-contrast, low-tension palettes (Base, +150°, +210°) on the 360° color wheel.
Generate modern iOS / macOS frosted glass cards with translucent borders and backdrop blurs.
Generate vibrant 4-color palettes spaced evenly at 90° angles around the color wheel.
