Turn your screen into a pure color light. The simplest single-color screen app for use as a penlight, nightlight, photo backlight, display test, and more.
[Key Features]
■ Full-Screen Solid Color
Fill the entire screen with any color you choose.
■ Precise Color Picking
Pick colors using a color wheel, HSV/RGB sliders, or HEX input.
■ Favorites
Save colors you love and recall them with a single tap.
■ Scene Animations
Built-in presets: Rainbow, Candle, Thunder, Aurora. Or compose your own gradients and blinks.
■ Lock Mode (Unique)
Lock the screen so taps won't change anything. Long-press for 3 seconds to unlock. Perfect for nightlight or photo shoots where you don't want accidental changes.
■ Display Test
Cycle through 8 colors to check screen color reproduction. Useful for repair, calibration, and quality checks.
■ Auto-Max Brightness
Automatically pushes the screen to maximum brightness on launch. Sleep prevention is built-in.
■ Landscape Support
Works seamlessly in portrait and landscape.
[Perfect for]
- Penlight at concerts and live events
- Gentle nightlight for kids and babies
- Backlight or color source for photography
- Color reproduction checks for displays
- Using your phone as a portable light