CIE Laboratory
Explore contrast accessibility, perceptual color models, and color vision simulation in an interactive color science laboratory.
Color Science and Accessibility Analysis Tool
An advanced color science laboratory for exploring contrast, accessibility, perceptual color models, and color vision simulation. Analyze colors using WCAG/APCA metrics, CAM16 and DIN99 models, and interactive visualization tools.
Enter HEX colors (e.g., #0a0a0a or #fff). Use the slider to lighten/darken either color.
Pass thresholds: Normal AA ≥ 4.5, AAA ≥ 7.0.
Large (≥18pt/24px or 14pt/18.66px bold) AA ≥ 3.0, AAA ≥ 4.5.
Related tools: Palette Generator | Image to WebP Converter