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Red Screen Tool – Fullscreen Red Background

A solid red screen for pixel testing, colour calibration, and visual diagnostics.

F / Space – enter fullscreen
Esc – exit fullscreen
Light / Dark50% brightness
Shade picksLight + dark variants

Click the color or press F/Space for fullscreen. HEX and RGB inputs stay in sync with the hue and light/dark sliders.

DownloadSave this color as PNG
Other tools
White ScreenOpen →
Black ScreenOpen →
Color CycleOpen →
Green ScreenOpen →
Blue ScreenOpen →
Yellow ScreenOpen →
Pink ScreenOpen →
Purple ScreenOpen →
Orange ScreenOpen →
Gray ScreenOpen →
DVD BounceOpen →

What the Red Screen Does

  • Displays a bold, flat red colour
  • Reveals stuck green or blue pixels
  • Useful for contrast and colour uniformity tests
  • Strong background for visual experiments or design

Use Cases

  • Dead & Stuck Pixel Testing
    Red backgrounds make stuck green or blue pixels stand out clearly.
  • Colour Accuracy Checks
    Useful for testing how displays render strong, saturated red tones.
  • Contrast & Brightness Evaluation
    Helps identify uniformity issues and shadow behaviour.
  • Red Lighting for Photos & Video
    Creates bold accent lighting for creative shoots or visual effects.
  • Design & Visual Experiments
    A solid red canvas for UI testing, graphics prototyping, or colour sampling.

How to Use

  1. Press F or click the screen to enter fullscreen.
  2. Clean, test, or use it as lighting.
  3. Press ESC to exit fullscreen.
  4. (Optional) Download a red background in 1080p, 4K, 8K, or custom size.

Download Red Backgrounds

480p · 720p · 1080p · 1440p · 2K · 4K · 8K

Custom width × height supported.