UD5 Toolkit
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.
Extract Perceptual Palette - Online LAB Quantization
Extract Perceptual Palette
Online LAB color space quantization – get perceptually uniform palettes from any image.
Upload Image
Drop your image here
or click to browse
Palette Settings
More samples improve accuracy but increase computation time.
Extracted Palette
Upload an image and press "Extract" to see the perceptual palette here.
Frequently Asked Questions
It uses the CIELAB color space, which is designed to be perceptually uniform, meaning that the differences between colors you see match the mathematical distances. This yields palettes that feel more balanced to the human eye compared to traditional RGB quantization.
We sample pixels from your image, convert them from sRGB to CIELAB, and then apply K‑means clustering. The cluster centers become your palette colors, ensuring that visually similar colors are grouped together in a perceptually meaningful way.
RGB distances don't match human perception; two colors that look very different might be numerically close in RGB, and vice versa. LAB minimizes this problem, producing palettes that better represent the visual importance of each color.
No. All processing happens directly in your browser using JavaScript. Your image never leaves your device.
Click on any color swatch to copy its HEX code to your clipboard. A brief notification will confirm the copy.
The tool accepts all common image formats that your browser can decode, including JPEG, PNG, WebP, GIF, and AVIF.
Color copied!
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.
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.
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.
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.
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.
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.
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.
Image to Indexed Palette PNG - Online Reduce to 256 Colors
Convert any image into an 8‑bit indexed PNG by reducing to a custom number of colors. Vintage game look. Local quantizer.
Pixel Art Color Picker - Online Palette for Spriters
A dedicated color picker with common retro gaming palettes (NES, Gameboy). Pick and copy hex codes. For pixel art creators.
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.
Accessible Chart Palette Builder – Online Data Visualization
Build a color palette for charts that works for protanopia, deuteranopia, and grayscale. Export as array.
Material Design 3 Color Generator - Online Dynamic Tonal Palettes
Pick a source color and generate a complete M3 tonal palette with light/dark schemes. Export as CSS custom properties.
Image FFT Visualizer - Online See Frequency Domain
Upload an image and see its 2D FFT magnitude and phase. Learn how image filtering works. Educatinal tool. Canvas.
CIELAB to RGB Converter - Online Bring Color Back
Enter L*a*b* values and see the corresponding RGB and hex color. Useful for advanced color manipulation.
Emoji to Image Converter - Online Download Emoji as PNG
Pick any emoji and download it as a high‑resolution PNG image with transparent background. For social media or icons.
Image Hue Shifter - Online Change Colors Easily
Rotate the hue of any image globally. Turn a red car blue instantly. Download the result. Works entirely in the browser.
Web Image Size Calculator - Online KB & Dimensions Tool
Predict the file size of an image based on pixel dimensions and format (JPEG, PNG, WebP). Rough estimate. Local.
Image Palette Extractor (Paste) - Online Clipboard Image
Paste an image from your clipboard directly into the page (Ctrl+V) and extract its color palette. No file dialog needed.
Text Watermark on Image - Online Add Subtle Overlay
Add a repeating diagonal text watermark to your images. Adjust opacity, font, and color. Protect your photos locally.
Image to Pure ASCII - Online High‑Contrast Text Art
Turn a photo into a high‑contrast ASCII art using only standard text characters. Adjust brightness and character set. Works offline.
Image Emboss Effect - Online Raised 3D Look
Apply an emboss filter to your photo. Choose direction and depth. Gives a 3D carved stone look. Pure canvas.
Image to Binary Array - Online Pixel Dump
Convert any image into a raw binary array of RGBA values. For use in embedded systems or game development. Copy as Uint8Array.
Remove White Background - Online Make Transparent
Automatically remove white background from an image and make it transparent. Adjust tolerance. Save as PNG.
Image to Color Squares - Online Abstract Block Art
Reduce an image to large colored squares. Create bold, minimalist wall art. Adjust block size. Download PNG.
Color Image to ASCII Art - Online True Color Converter
Convert any image into colored ASCII art using divs with background colors. Creates a stunning text‑based replica. View & copy HTML.
Image Format MIME Checker - Online Identify True Type
Drop an image that might have wrong extension and see its real format (JPEG, PNG, WebP) based on header bytes.
Image to CSS Grid Layout - Online Pixel‑Based Generator
Upload a small pixel art image and get a CSS grid layout that recreates it using divs. Novelty developer tool.
Text to Braille Image - Online Embossable PNG Generator
Convert short text into a black‑and‑white Braille bump image ready for embossing. Educational and inclusive.
Image Aspect Ratio Fitter - Online Resize to Exact Fit
Resize and crop an image to a specific aspect ratio (1:1, 16:9…) with automatic fit/cover. Download the perfect image.