RGB Video Output Simulator
Watch how red, green, and blue signals combine to create your screen
Signal Controls
Red:
128
Green:
128
Blue:
128
Brightness:
100
%
Test Patterns
Solid Color
Color Bars
Checkerboard
RGB Gradient
Static Noise
Scanlines
Split RGB
CRT Effect
Vintage Presets
Perfect Signal
Analog TV
Computer CRT
Apple II
Commodore 64
Red Channel
Green Channel
Blue Channel
Signal Waveforms
Cursor Values
R:
128
G:
128
B:
128
Signal Info
Resolution:
400×300
Refresh:
60Hz
Mode:
RGB
Fun Fact
RGB video was first used in computers in 1977!