Trace any image, right on your paper
Lucidapp locks your reference in place through the camera so you can trace it by hand — no light box, no grid, no printing. See values, color temperature, and mix the exact paint.
Download on the App Store
Free app, no ads, no tracking
Requires an iPhone or iPad with a rear camera and ARKit.
Value study
Flip to a grayscale Values view to read your lights and darks before you commit a stroke.
Color temperature
A warm/cool thermal view maps the reds and blues, with a blue↔red bias slider.
Mix the exact color
Drag across the image with a magnifier loupe and get a recipe from your own paints.
Private by design
No account, no sign-up, no ads. Your images are processed entirely on your device and never leave it. Read our privacy policy.