Simon Says Game - Online Memory Sequence Challenge
Repeat the growing color sequence. How far can you go? Classic memory game with sound and animations.
UD5 Toolkit
Repeat the growing color sequence. How far can you go? Classic memory game with sound and animations.
Given an RGB value, pick the matching color square. Multiple difficulty levels. Improve your color perception. Fun for designers.
See a color swatch and guess its hex code. Get scored on accuracy. Improve your color intuition. Fun for designers.
Upload a gradient or enter a palette and simulate how it appears with different types of color vision deficiency. Ensure inclusive data visualization.
An interactive color wheel that teaches primary, secondary, tertiary colors, and harmonies. Pick and mix like a pro.
Experiment with the CSS color-mix() function. Pick two colors and mix them in different color spaces (srgb, oklch). Copy the CSS.
Create a random video game premise with a setting, protagonist, and twist. For game jams and creative writing. All local.
Answer a few questions and get a playful color-based personality result. For entertainment only.
Feed, play, and care for a cute pixel pet inside your browser. Its state persists via localStorage. Don't let it die!
Enter hex codes and download a PNG swatch image with color names. Useful for design spec documents. Built via canvas.
Classic hangman with linguistic terms (adjective, participle, etc.). Solidify your grammar vocabulary.
See a cropped or simplified brand logo and guess the company. Hints available, score track. Local fun, no copyright infringement.
Select two paint colors and see approximate mixed result. Visual blending for artists.
Enter two hex colors and compute the CIE76, CIE94, and CIEDE2000 color difference. Understand how humans perceive color similarity.
Enter the URL of any image and receive a random harmonious palette extracted from it. Click to regen. For quick inspiration.
Generate the <meta name='color‑scheme'> tag and CSS property to enable native dark/light rendering. Quick copy.
Upload any image and view it as a person with deuteranopia, protanopia, or tritanopia would. Promote inclusive design.
Identify dog breeds from silhouettes or partial images. Score tracking. Fun for all ages. Local only, no images uploaded.
Build a small crossword by adding words and clues. Export as a printable grid or solve in browser. Perfect for classrooms.
Extract a color palette from an image using CIELAB k‑means quantization. Results are perceptually more accurate than RGB methods.
Generate a random placeholder photo with custom dimensions. Unique greyscale images, no external service. Canvas generated.
Convert RGB and hex colors to CIELAB L*a*b* values. Understand perceptual lightness and chromaticity. All local math.
Generate a small logic puzzle grid (like Einstein’s riddle) with clues. Solve in browser or print. Local generation.
Upload any picture and instantly get a 5‑color palette. Useful for UI design themes. Canvas‑based extraction.
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Convert any image into an 8‑bit indexed PNG by reducing to a custom number of colors. Vintage game look. Local quantizer.
Hit the popping moles as fast as you can before they disappear. Increasing difficulty. Great for hand‑eye coordination. Browser only.
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 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.