Why did something else keep its colour too?

Anything of a similar shade is kept. Lower the Tolerance, or switch the brush to “Make grey” and paint over it.

Can I keep white, black or grey?

No — those have no colour to keep, so they always go grey. Pick a clearly coloured spot.

Yes — Color splash video keeps a colour across a whole clip. It works by colour only; the touch-up brush is for photos.

No. The effect is calculated in your browser — your photo never leaves your device.

Images

Compress, convert and clean up your pictures.

Keep one colour and turn everything else black & white — with a brush for touch-ups. Free, on your device.

Add imageor drop it here · JPG, PNG, WebP, HEIC · processed on your device, nothing is uploaded

Add your photo
Drop in a photo with a bold colour you want to keep — a red dress, a yellow taxi, green eyes.
Click the colour to keep
Click it in the picture. Everything else turns black and white instantly. Add up to three colours.
Fine-tune
Widen or narrow the range with Tolerance, soften the edge with Softness, and use the brush to keep or grey out any spot by hand.
Download
Compare with the original, then download as PNG or JPG.

Why did something else keep its colour too?: Anything of a similar shade is kept. Lower the Tolerance, or switch the brush to “Make grey” and paint over it.
Can I keep white, black or grey?: No — those have no colour to keep, so they always go grey. Pick a clearly coloured spot.
Is there a video version?: Yes — Color splash video keeps a colour across a whole clip. It works by colour only; the touch-up brush is for photos.
Is my photo uploaded?: No. The effect is calculated in your browser — your photo never leaves your device.