FULLSCREEN COLOR VARIATION UTILITY

Black Screen Background Tool

Pure black screen background for OLED backlight bleed test and dark room lighting.

UNIVERSAL FULLSCREEN LIGHT & CANVAS ENGINE

White Screen Lighting & Inspection Tool

[ BLACK SCREEN ]

Click box or press F for Fullscreen Lighting

PRESS ESC TO EXIT

Color Temp (Kelvin): 6500K2700K Warm — 6500K Daylight

2700K (Tungsten)4500K (Neutral)6500K (D65 Daylight)

Utility Filters & Cleaning

Preset Color Palette

Preset Canvas Colors

Swatches

Hex:

Lighting & Overlay Setup

Controls

Color Temperature6500 K

Smudge Grid Overlay

Screen Wake Lock API

Keyboard Navigation

Hotkeys

12345

Switch Colors

F

Toggle Fullscreen

G

Toggle Smudge Grid

Esc

Exit Fullscreen

TV users can navigate with D-Pad & Remote arrow keys

Screen & Studio Lighting

Lighting

Pure color screens reveal dead/stuck sub-pixels and backlight uniformity variances across LED and OLED panels.