Green Screen

#00FF00 · RGB(0,255,0)

Click or press F for fullscreen

30-50% as a lamp · 80-100% for testing

Use Cases

Green channel defects

Check green subpixels; green carries over 70% of perceived brightness.

Makeshift chroma key

Works in a pinch as a green backdrop, though uniformity is limited.

Eye rest backdrop

The traditional distance-gazing color for breaks between work sessions.

Best defect color

Eyes are most sensitive to green — defects pop here first.

Three Steps

01

Set brightness

100% for checks, ~50% as a rest backdrop.

02

Go fullscreen

Click the swatch or press F to fill the screen with green.

03

Scan region by region

Sweep top to bottom for off-color dots. Esc exits.

FAQ

Tips

  • Cones peak near 555nm green — ~72% of luminance
  • Chroma key needs even lighting; a screen is emergency-only
  • Green itself does not rest eyes — distance does
  • Check order: green → red → blue

Other colors