Brightness 100%
Timer Mode

Set a timer for fullscreen display. Useful for timed screen tests and ambient lighting sessions.

青色 background

px
×
px
#00FFFF
Custom Color
Opens one color window per detected screen. Drag & fullscreen each.
Free & Browser-Based

Free Online Screen Savers – No Download Required

Transform your display with beautiful, interactive screensavers that run right in your browser. Choose from digital clocks, productivity timers, ambient animations, and mesmerizing visual effects — perfect for idle screens, desk displays, presentations, and relaxation.

Free Prank Tool

Fake Update Screens – Free Online Prank Tools

Realistic fullscreen prank screens — BSOD, Windows updates, Ubuntu upgrades, iOS updates, and hacker terminals. Launch any screen fullscreen and watch your friends panic. Press ESC to exit anytime.

Screen Testing Tools

Auto Color Cycle

Rapidly cycle through colors to help fix stuck pixels. Run for 20–30 minutes for best results.

OLED Burn-in Test

Display a moving pattern to detect and reduce OLED burn-in artifacts on your screen.

Gradient Smoothness Test

Display smooth gradients to check for color banding and bit-depth issues on your monitor.

Checkerboard Pattern Test

Display pixel-level checkerboard patterns to test monitor sharpness and pixel response.

Pixel Response Time Test

Flash rapid black/white transitions to evaluate pixel response time and ghosting.

Viewing Angle Test

Display color bands to help evaluate your monitor's viewing angle consistency.

Gray Uniformity Test

Display 50% gray to reveal backlight hotspots, clouding, and brightness non-uniformity.

Color Accuracy Checker

Display reference color swatches to compare against known standards for calibration checks.

Multi-Monitor Detection

Detect connected displays and open fullscreen color on all screens simultaneously.

Drag each window to a different monitor, then click Go Fullscreen inside it.
Detected Screens
Click "Refresh" to detect…

About 青色

<p>青色屏幕工具将显示器填充为清新的青色。青色是蓝色和绿色的混合色,让人联想到热带海洋和晴朗天空。非常适合营造放松和清新的氛围。</p><p>在色彩准确性测试中青色是重要的二次色。它由绿色和蓝色子像素共同工作产生。青色的色调偏差揭示了这两组子像素之间的不平衡。</p><p>在数字艺术和设计中青色被广泛使用。在网页设计中作为强调色,在标志中传达信任和专业感。在医疗和科技行业特别受欢迎。</p><p>可以使用青色背景来减轻压力。与水和自然相关联的这种颜色在工作环境中产生镇静效果并支持专注力。</p>

Frequently Asked Questions – 青色

青色(#00FFFF)由等量的蓝色和绿色组成。绿松石色是更偏绿的色调。在数字色彩空间中青色是纯二次色。

在全青色背景上检查颜色是否纯净均匀。偏蓝或偏绿的偏差表明绿-蓝子像素不平衡。

青色让人联想到信任、创新和清洁。在科技和医疗行业常被用来传达专业性和现代感。

是的,中等亮度的青色是一种放松的颜色。但在非常高的亮度下可能会令人疲劳。将亮度调整到舒适的水平。

在CMYK印刷模型中青色(Cyan)是基本墨水之一。数字屏幕上的青色与印刷品之间可能存在色调差异。