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, crossβorigin 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.
Upload an image and extract its dominant colors or full color palette. Download as a CSS snippet or color swatch. Entirely client-side, your images stay private.
Select two paint colors and see approximate mixed result. Visual blending for artists.
Open a test video in PictureβinβPicture mode. Control entering and leaving PiP. Copy the code snippet for your own app.
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Increase or decrease the color saturation of your photo with a slider. Preview instantly. Download the edited image. Canvasβbased.
Extract a color palette from an image using CIELAB kβmeans quantization. Results are perceptually more accurate than RGB methods.
Add a dramatic nightβvision green tint with grain and scanlines to any image. Fun horror/military aesthetic.
Run edge detection algorithms (Sobel, basic Canny) on images directly in the browser. Great for learning computer vision concepts.
Enter two hex colors and compute the CIE76, CIE94, and CIEDE2000 color difference. Understand how humans perceive color similarity.
Upload a gradient or enter a palette and simulate how it appears with different types of color vision deficiency. Ensure inclusive data visualization.
Keep one selected color and turn the rest of the image to grayscale. Eyeβcatching selective color effect. Pure canvas.
Enter foreground and background colors to instantly see the contrast ratio and pass/fail for AA and AAA. Simple and fast.
Enter foreground and background colors and see a matrix of how each pair works for normal, protanopia, deuteranopia, and tritanopia.
A dedicated color picker with common retro gaming palettes (NES, Gameboy). Pick and copy hex codes. For pixel art creators.
Upload a photo and remap its tones to any gradient. Apply stunning color grading. Download result.
Upload any image and view it as a person with deuteranopia, protanopia, or tritanopia would. Promote inclusive design.
Select a short video and convert it to an animated WebP image for faster web loading. Adjust quality and size. Local only.
Enter an image URL to extract a 5-color dominant palette. Avoids uploading files. Uses canvas to read remote image pixels. Fast and privacy-oriented.
Decode individual video frames from a local file using the VideoDecoder API. Step through frames. Cuttingβedge browser feature.
Upload two images and see a diff overlay highlighting the pixel differences. Adjust tolerance. For regression testing.
Convert RGBA colors to CIELAB and other advanced color spaces. For fineβtuning design tokens. Clientβside math.
Detect your current screen resolution, viewport dimensions, and device pixel ratio. Useful for responsive design testing. No data collection.
Toggle between light and dark mode for a demo page. See how to use the media query. Copy the pattern.
Upload any picture and instantly get a 5βcolor palette. Useful for UI design themes. Canvasβbased extraction.