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🟪 Pure Magenta Field

Full-Screen Pure Magenta (#FF00FF) Canvas

Launch an uncompressed, pure magenta calibration field to isolate green sub-pixel defects and evaluate red/blue channel saturation.

Active Color:#FF00FF (RGB 255, 0, 255)
Click anywhere or press button above to enter Fullscreen
Press ESC to exit fullscreen
Hex Color Code#FF00FFPure Magenta
Active ChannelsRed + Blue (100%)Green Channel: 0%
Diagnostic UseGreen Sub-Pixel IsolationChromatic Contrast Scan

Understanding Chromatic Complementary Color Diagnostics

In additive RGB color science, Magenta (hexadecimal #FF00FF) is produced by energizing the Red and Blue sub-pixel emitters at maximum intensity (255, 0, 255) while keeping the Green sub-pixel completely de-energized.

This makes a solid Magenta screen the definitive test for isolating Green Sub-Pixel Transistor Defects. Because the human eye has peak sensitivity to green light, any unintended green emission or dead red/blue emitter creates an immediately noticeable chromatic contrast anomaly.

Comparison Table: Sub-Pixel Defect Detection on Magenta Canvas

Sub-Pixel Transistor StateExpected Visual Appearance on Magenta (#FF00FF)Diagnostic Conclusion
Green Sub-Pixel Stuck ONBright White Dot (#FFFFFF)Green transistor locked in active state.
Red Sub-Pixel DeadDeep Blue Dot (#0000FF)Red sub-pixel transistor open circuit failure.
Blue Sub-Pixel DeadBright Red Dot (#FF0000)Blue sub-pixel transistor open circuit failure.
Full Pixel Dead (All Sub-Pixels)Pure Black Dot (#000000)Complete pixel transistor backplane defect.
Display SuitePixel Health

Dead Pixel Tester

8-color sub-pixel flasher to isolate dead, stuck, and hot pixels.

Tools SuiteCalibration

Solid Blue Screen

Full-screen blue canvas to isolate blue channel defects.

Tools SuiteCalibration

Solid Green Screen

Full-screen green canvas for chroma keying and red/blue isolation.

Hardware Knowledge Base

Frequently Asked Questions

Technical answers to common hardware, refresh rate, and browser diagnostic questions.

Why use a Magenta (#FF00FF) screen for monitor calibration?

Magenta is composed of 100% Red and 100% Blue with 0% Green (RGB 255, 0, 255). It is the optical complementary color to green, making it the most effective diagnostic field for isolating defective, weak, or stuck Green sub-pixels.

How do I detect a Green sub-pixel failure on a Magenta field?

If a Green sub-pixel is stuck ON, it mixes with the Red and Blue background to form an anomalous White dot. If a Red or Blue sub-pixel is dead, the dot appears Dark Blue or Dark Red instead of brilliant Magenta.

What other uses does a full-screen Magenta display have?

Magenta screens are commonly used as vibrant solid backgrounds for creative photography, lighting studio accents, and chromatic isolation testing.

How do I launch and exit fullscreen mode?

Click the Launch Fullscreen Magenta button to expand the color field. Press ESC on your keyboard or click the screen to exit.

Does displaying Magenta harm LCD or OLED monitors?

No. Magenta is a standard primary complementary color within standard sRGB color spaces.