UD5 Toolkit
Webcam Color Detector - Online Live Hue Picker
Point your camera at an object and see the dominant color in real time. Click to copy the hex. Fun tool for designers.
Dominant Color Detector - Online Find Main Hue
Dominant Color Detector
Upload an image and instantly find its main hue and color palette.
Drop image here or click to browse
Supports JPG, PNG, GIF, WebP
Dominant Hue
#808080
RGB(128,128,128)
HSL(0,0%,50%)
Color Palette
Upload an image to see palette
Frequently Asked Questions
The dominant color is the most frequently occurring hue in an image, often used to represent the overall feel or theme of the visual.
It resizes your image locally (no upload to server), scans every pixel, groups similar colors, and determines the most frequent ones. All processing happens in your browser.
The algorithm aggregates every pixel, so a large background area (like white sky) may dominate. Try cropping the image to the area of interest for better results.
Absolutely! Upload your logo or any image, and the palette section will show the top 5 to 8 dominant colors, which you can use for branding.
No. The tool runs entirely in your browser using HTML5 Canvas. Your image never leaves your device.
Image Color Extractor - Online Palette from Picture
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.
Extract Color Palette from Image URL - Online Without Upload
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.
Image Color Picker From URL - Online Remote Picture Analyzer
Enter the URL of any online image and extract its dominant colors or pick colors with a magnifier. No upload, cross‑origin friendly.
Extract Perceptual Palette - Online LAB Quantization
Extract a color palette from an image using CIELAB k‑means quantization. Results are perceptually more accurate than RGB methods.
Image Color Palette from URL - Online Remote Photo Analysis
Enter an image URL and extract its dominant color palette. No download needed. Fast visual analysis.
Image Edge Detector - Online Sobel & Canny Filter
Run edge detection algorithms (Sobel, basic Canny) on images directly in the browser. Great for learning computer vision concepts.
Paint Mixing Color Wheel – Online Predict Mixed Hue
Select two paint colors and see approximate mixed result. Visual blending for artists.
Color Scheme from Image - Online Extract Palette
Upload any picture and instantly get a 5‑color palette. Useful for UI design themes. Canvas‑based extraction.
Image Saturation Adjuster - Online Color Pop Editor
Increase or decrease the color saturation of your photo with a slider. Preview instantly. Download the edited image. Canvas‑based.
Color Splash Effect - Online Isolate a Single Color
Keep one selected color and turn the rest of the image to grayscale. Eye‑catching selective color effect. Pure canvas.
Image Difference Checker - Online Visual Compare
Upload two images and see a diff overlay highlighting the pixel differences. Adjust tolerance. For regression testing.
Extract Colors from Image URL - Online Palette Generator
Paste a direct link to an image and get its 5 dominant colors with hex codes. No upload, uses canvas with CORS proxy.
Color Personality Test – Online Fun What Hue Are You?
Answer a few questions and get a playful color-based personality result. For entertainment only.
Image Color Blindness Simulator - Upload & See
Upload any image and view it as a person with deuteranopia, protanopia, or tritanopia would. Promote inclusive design.
Color Contrast Ratio Tester - Online WCAG AA/AAA Check
Enter foreground and background colors to instantly see the contrast ratio and pass/fail for AA and AAA. Simple and fast.
Color Guessing Game - Online RGB to Color Challenge
Given an RGB value, pick the matching color square. Multiple difficulty levels. Improve your color perception. Fun for designers.
OKLCH Color Explorer - Online Perceptually Uniform Space
Browse the OKLCH color space with sliders for lightness, chroma, and hue. See the CSS oklch() code. Modern and accessible.
Live Page Color Blindness Check – Online Enter URL
Enter a website URL and apply a protanopia/deuteranopia/tritanopia filter. Test full page accessibility.
Gradient Map Filter - Online Apply Creative Gradients to Photos
Upload a photo and remap its tones to any gradient. Apply stunning color grading. Download result.
RGB to CIELAB Converter - Online Perceptual Color Space
Convert RGB and hex colors to CIELAB L*a*b* values. Understand perceptual lightness and chromaticity. All local math.
Accessible Color Pair Grid - Online WCAG Matrix for Vision Deficiencies
Enter foreground and background colors and see a matrix of how each pair works for normal, protanopia, deuteranopia, and tritanopia.
Color Distance ΔE Calculator - Online Perceptual Difference
Enter two hex colors and compute the CIE76, CIE94, and CIEDE2000 color difference. Understand how humans perceive color similarity.
Night Vision Green Effect - Online Photo Style
Add a dramatic night‑vision green tint with grain and scanlines to any image. Fun horror/military aesthetic.
Gradient Color Blindness Simulator - Online Test Palettes
Upload a gradient or enter a palette and simulate how it appears with different types of color vision deficiency. Ensure inclusive data visualization.
Color Swatch Image Generator - Online PNG Palette
Enter hex codes and download a PNG swatch image with color names. Useful for design spec documents. Built via canvas.
Random Palette from Image URL - Online Surprise Colors
Enter the URL of any image and receive a random harmonious palette extracted from it. Click to regen. For quick inspiration.
JPEG Quality Visual Comparator - Online Side‑by‑Side
Upload an image and see a slider comparison of different JPEG quality levels. Find the optimal file size vs. quality trade‑off.
Earth View Image Curator – Online Random Satellite Scenes
Display random beautiful satellite images. Click to reveal location. Refresh for next. No API key needed.
Relative Color Syntax Visualizer - Online Adjust Lightness/Chroma
Start from a base color and use `oklch(from color l c h)` to create lighter or darker variants. Copy the code.