Screen Testing & Color
Find practical tools for this task, with clear instructions and useful results.
Guided checklist
Check your screen
Choose a device, try each test, then mark it complete.
Advanced Color Gamut Explorer
Convert seven colour spaces, compare clipping and chroma mapping, and explore xy triangles.
Screen Testing & ColorOpen toolAspect Ratio Calculator
Reduce exact pixel ratios, scale dimensions and calculate contain/cover layouts.
Screen Testing & ColorOpen toolBacklight Bleed Test
Inspect black and near-black fields from a normal viewing position.
Screen Testing & ColorOpen toolBlack Level Test
Compare near-black patches and shadow separation.
Screen Testing & ColorOpen toolBlooming Test
Inspect bright objects, stars and subtitles on black.
Screen Testing & ColorOpen toolBrightness & Uniformity Test
Compare digital levels with a nine-zone uniformity guide.
Screen Testing & ColorOpen toolBurn-in Test
Compare uniform fields, checkerboards and ramps for persistent outlines.
Screen Testing & ColorOpen toolColor Accuracy Reference
Inspect reference swatches and analyse externally measured Lab pairs.
Screen Testing & ColorOpen toolColor Banding Test
Compare continuous ramps with deliberately quantised steps.
Screen Testing & ColorOpen toolColor Depth & Near-Colour Test
Compare near colours and gradients with optional quantised references.
Screen Testing & ColorOpen toolDead Pixel Test
Inspect possible dark, bright or stuck pixels against nine solid colours.
Screen Testing & ColorOpen toolDisplay Contrast Test
Inspect shadows, highlights, fine lines and checkerboards.
Screen Testing & ColorOpen toolDisplay P3 vs sRGB
Compare equivalent colours encoded in Display P3 and sRGB.
Screen Testing & ColorOpen toolFlicker Inspection Guide
Use steady levels and an external-camera workflow without flashing.
Screen Testing & ColorOpen toolGamma Comparison Test
Compare alternating black/white stripes with a calculated solid grey.
Screen Testing & ColorOpen toolGhosting & Motion Blur Test
Track moving blocks, text and dark edges at adjustable speeds.
Screen Testing & ColorOpen toolGradient Test
Explore linear, diagonal, radial, hue and saturation gradients.
Screen Testing & ColorOpen toolGreyscale Test
Explore adjustable tonal steps, smooth ramps and near-white detail.
Screen Testing & ColorOpen toolHDR Capability & Pattern Test
Inspect browser HDR signals and conditionally display PQ-encoded patches.
Screen Testing & ColorOpen toolMonitor Color Calibration Assistant
Follow a guided visual check of shadows, highlights, gamma and balance.
Screen Testing & ColorOpen toolMonitor Color Test
Inspect solid colours and compare two selected colours side by side.
Screen Testing & ColorOpen toolRefresh Rate & Frame Timing
Sample animation cadence, frame intervals and timing variation.
Screen Testing & ColorOpen toolRGB Channel Test
Inspect independent RGB ramps and additive mixtures.
Screen Testing & ColorOpen toolScreen Resolution Checker
Read screen, viewport, scaling and colour capability signals.
Screen Testing & ColorOpen toolScreen Tearing Test
Observe moving stripes and checkerboards for discontinuities.
Screen Testing & ColorOpen toolsRGB Color Test
Inspect sRGB patches, neutral ramps and saturation patterns.
Screen Testing & ColorOpen toolTouch Screen Test
Draw across a grid and inspect simultaneous browser pointer events.
Screen Testing & ColorOpen toolNo tools match these filters
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11 tools with their own source snapshots are listed separately from the main toolkit. Open the reference tools.