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 an image URL and extract its dominant color palette. No download needed. Fast visual analysis.
Enter a website URL and apply a protanopia/deuteranopia/tritanopia filter. Test full page accessibility.
Convert HSL and HSLA color specifications back to standard HEX codes. Useful when extracting colors from CSS preprocessors. Instant client-side conversion.
Pick colors from a palette or use the eye dropper to sample colors from your screen. Converts between HEX, RGB, HSL. An essential tool for designers.
Given an RGB value, pick the matching color square. Multiple difficulty levels. Improve your color perception. Fun for designers.
Upload an image and see its RGB and luminance histograms. Understand exposure and color distribution. Photographer tool.
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.
Reduce the number of colors in an image to a retro 8βbit look. Uses median cut quantization in the browser. Preview and download the stylized result.
Select colors in the OKLCH space with lightness, chroma, and hue. Convert to hex, RGB, and CSS oklch(). Perceptually uniform gradients.
Convert RGB and hex colors to CIELAB L*a*b* values. Understand perceptual lightness and chromaticity. All local math.
Add a dramatic nightβvision green tint with grain and scanlines to any image. Fun horror/military aesthetic.
A dedicated color picker with common retro gaming palettes (NES, Gameboy). Pick and copy hex codes. For pixel art creators.
Enter foreground and background colors to instantly see the contrast ratio and pass/fail for AA and AAA. Simple and fast.
Increase or decrease the color saturation of your photo with a slider. Preview instantly. Download the edited image. Canvasβbased.
Run edge detection algorithms (Sobel, basic Canny) on images directly in the browser. Great for learning computer vision concepts.
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Apply a true negative color effect to your image. Simulate a film negative or invert scanned documents. Instant canvas transformation.
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.
Interactively create colors in HWB space and get the CSS hwb() function. Simplifies tint/shade workflows. Live preview.
Quickly adjust the brightness and contrast of an image with live preview sliders. Download the tuned photo. Canvas.
Upload any image and view it as a person with deuteranopia, protanopia, or tritanopia would. Promote inclusive design.
Upload two images and see a diff overlay highlighting the pixel differences. Adjust tolerance. For regression testing.
Enter foreground and background colors and see a matrix of how each pair works for normal, protanopia, deuteranopia, and tritanopia.
Convert RGBA colors to CIELAB and other advanced color spaces. For fineβtuning design tokens. Clientβside math.
See a random color and type its name. Score based on accuracy. Fun for designers. Local.
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.
Enter hex codes and download a PNG swatch image with color names. Useful for design spec documents. Built via canvas.