Dominant Color Detector - Online Find Main Hue
Upload an image and instantly see its most dominant color as a hex swatch. Uses color quantization. Local.
UD5 Toolkit
Upload an image and instantly see its most dominant color as a hex swatch. Uses color quantization. Local.
Enter the URL of any online image and extract its dominant colors or pick colors with a magnifier. No upload, cross‑origin friendly.
Enter a website URL and apply a protanopia/deuteranopia/tritanopia filter. Test full page accessibility.
Enter an image URL and extract its dominant color palette. No download needed. Fast visual analysis.
Given an RGB value, pick the matching color square. Multiple difficulty levels. Improve your color perception. Fun for designers.
Convert RGB and hex colors to CIELAB L*a*b* values. Understand perceptual lightness and chromaticity. All local math.
Browse all official LEGO colors with names, years, and hex codes. Sort by hue. Perfect for builders.
Simulate paint colors on a pre-loaded room photo by adjusting hue, saturation. Find your perfect shade before buying. Local canvas.
Enter a URL and extract the font stacks and web font URLs used on that page. Quick typography research.
Pick a source color and generate a complete M3 tonal palette with light/dark schemes. Export as CSS custom properties.
Enter a hex color and get its relative luminance per WCAG definition. Understand why this matters for contrast.
Enter L*a*b* values and see the corresponding RGB and hex color. Useful for advanced color manipulation.
Play an audio file or use mic to see real‑time frequency bars. Choose colors. Great for music videos. Canvas.
Classic HSV color wheel with sliders. See hex, RGB, and HSL equivalents. Intuitive for artists. No server interaction.
Rotate the hue of any image globally. Turn a red car blue instantly. Download the result. Works entirely in the browser.
See a random color and type its name. Score based on accuracy. Fun for designers. Local.
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Explore the RGB color space as a rotatable 3D cube. Pick a color directly from the volume. Drag to rotate. Canvas 3D.
Convert any image into colored ASCII art using divs with background colors. Creates a stunning text‑based replica. View & copy HTML.
Quickly test if your webcam, microphone, and speakers work correctly. See live video and audio meter. No data sent.
See the fundamental frequency (pitch) of your voice in real time using auto‑correlation. For singers and speech training. No upload.
Want a green smoothie? Pick a color and get a simple healthy recipe. Detox, protein, or fruit.
Turn your browser screen into a full‑color flashlight or strobe. Adjust brightness and color. Simple utility.
Upload an image and see its RGB and luminance histograms. Understand exposure and color distribution. Photographer tool.
Preview how a CMYK value will look on screen (approximate). Compare with its RGB equivalent. Pre‑press check.
Turn your webcam feed into real‑time ASCII art. Adjust density and character set. Fun for streams and demos. No upload.
See the International Space Station’s current position on a world map in real time. Uses public API. No refresh.
Enter a hex color and hear a tone mapped to its hue. Explore the connection between color and sound. Fun perceptual experiment.
Get the exact RGB inversion (negative) of any color. Useful for dark mode theming and high‑contrast accessibility checks.
Drop a file to see its MIME type and the first few magic bytes (hex and ASCII). No upload, works instantly.