🌈 Colours & Light

Colour Mixing (2D) — Additive Light & Subtractive PigmentNew📱Drag three coloured circles across a canvas to mix light or pigment where they overlap.… Umbra & Penumbra Shadow Casting (2D)New📱Drag a point or extended light source and an opaque block to cast a real 2D shadow computed… Colour Vision Simulator (2D)New📱A 2D Canvas simulator of human trichromatic colour vision and colour-blindness. Compare a… Lunar Eclipse Color Simulator (2D)New📱A 2D orthographic-projection companion to the Danjon lunar eclipse simulator: pick a Danjon… Optical Bench: Law of Reflection (2D)New📱A continuous-angle ray-optics bench: aim a beam, rotate two mirrors, and watch angle of… Rainbow Formation in Mist: Ray Optics & Dispersion (2D)New📱2D rainbow-optics lab: real Snell's-law refraction, internal reflection and dispersion… Why Is the Sky Blue? Rayleigh Scattering (2D)New📱2D flat sky-gradient simulation of Rayleigh scattering (I ∝ 1/λ⁴): sun-elevation and… 2D Color Mixing: Additive Light & Subtractive PaintNew2D flat companion to the 3D color-mixing lab: drag overlapping red/green/blue light circles… Lighting Design StudioNew📱Interactive 3D lighting design studio: place up to three fixtures of adjustable color… Colour Mixing — Additive RGB & Subtractive CMYNew📱Explore additive (RGB light) and subtractive (CMY pigment) colour mixing side by side. Mix… Atmospheric Refraction Mirage SimulationNew📱Explore how heat, dust, and humidity distort light in the desert, creating shimmering… Prism Light DispersionNew📱Explore the captivating separation of white light into a vibrant spectrum as you adjust the… Neon Cyberpunk StreetNew📱This simulation creates a visually immersive experience showcasing a futuristic cityscape… 3D Blue Sky Rayleigh ScatteringNew📱This simulation visually explains Rayleigh scattering – the phenomenon responsible for the… 3D Color MixingNew📱This simulation demonstrates the principles of additive and subtractive color mixing in a… 3D RainbowNew📱This simulation visualizes the creation of a rainbow by exploring the dispersion of white… Rainbow Light Refraction SimulationNew📱This simulation demonstrates the visual effects of light refraction and dispersion through a… Rainbow Mist WaterfallNew📱This simulation explores the physics of light refraction and dispersion within a waterfall… Desert Dunes at SunsetNew📱This simulation recreates the visual effects of light and shadow on desert dunes during… Color Theory Interactive ExperimentNew📱This simulation demonstrates the principles of color theory, allowing users to experiment… Color Theory SimulationNew📱This simulation explores how different hues, saturations, and values interact to create a… Soap Bubble Iridescence SimulationNew📱Observe and manipulate the iridescent colors of soap bubbles, adjusting speed and wobble… Soap Film Iridescence SimulationNew📱Explore how light interacts with soap films to create vibrant iridescent colors by adjusting… Stained Glass WindowNew📱This simulation demonstrates the principles of light refraction and reflection through… Iridescent Soap BubbleNew📱This simulation visually represents the phenomenon of iridescence in soap bubbles. It… Soap Bubble Thin-Film InterferenceNew📱This simulation explores the physics of thin films through the interference patterns… Soap Bubble Film Interference DisplayNew📱Observe and manipulate light's reflection and refraction within soap films to generate… Rainbow Prism Dispersion SimulationNew📱Explore the separation of white light into its spectral components as it passes through a… Stained Glass Cathedral LightNew📱This simulation explores how light interacts with stained glass, demonstrating the… Iridescent Soap Bubble DynamicsNew📱Explore the beautiful iridescent colors of soap bubbles by controlling their wobble and… Disco Ball Light ReflectionsNew📱This 3D simulation allows you to manipulate a disco ball and observe the complex patterns of… Prism Dispersion ObservationNew📱Witness the fundamental physics of light dispersion as white light is refracted through a… OrangeNew📱This simulation demonstrates the principles of light scattering and color mixing as seen in… Photography Photo Editing SimulationNew📱This simulation demonstrates the basic principles of image manipulation, allowing users to… Photography Photography Equipment SimulationNew📱This simulation explores the functionality and characteristics of various photography… Photography SimulationNew📱This simulation allows users to experiment with different photographic techniques and… Photography Studio Photography SimulationNew📱This simulation demonstrates the principles of studio photography, including lighting setups… Prism Rainbow SimulationNew📱This simulation visually explains how a prism separates white light into its constituent… Additive Color Mixing SimulationNew📱This simulation explores the principles of additive color mixing as seen in rainbows,… Desert Mirage Optical Refraction SimulationNew📱Explore the visual effects of mirages in a desert environment, adjusting parameters like… Theater Costume Design SimulationNew📱This simulation provides a platform for designing and experimenting with costumes for… Photography Commercial Photography SimulationNew📱This simulation demonstrates the principles of commercial photography. It focuses on… Photography Fashion Photography SimulationNew📱This simulation explores the art of fashion photography. It demonstrates techniques used to… Aurora Curtain — Three.js SimulationNew📱This simulation replicates the visual effects of an aurora borealis or australis using… Aurora Lattice | Three.jsNew📱This simulation creates a visually stunning representation of an aurora using a lattice… Glass Storm | Three.jsNew📱This simulation visually represents a 'glass storm' – a phenomenon where ice crystals in the… Lavender Field Provençal EveningNew📱This simulation demonstrates the principles of light diffusion and color mixing as sunlight… Lunar Danjon Color SimulatorNew📱Users can adjust parameters in this 3D simulation to observe how the color of the moon… Neon MetropolisNew📱This simulation explores the visual effects and urban dynamics of a futuristic metropolis… Prism Light SimulatorNew📱This simulation demonstrates the principles of refraction and reflection as light passes… Rainbow Formation SimulatorNew📱This simulation visually demonstrates the scientific principles behind rainbow formation,… Colour Mixing📱Mix colours like a painter — switch between RGB light and RYB paint to see why they blend… Mirror Maze📱Place mirrors and steer a laser beam through reflection and refraction to hit the target.… Light & Shadows📱Move the light source and watch the shadow split into a sharp umbra and a soft penumbra.… Colour Vision & Colour Blindness📱Switch between Protanopia, Deuteranopia, Tritanopia and Achromatopsia to see LMS cone bars…