Have you ever wanted to make an image that is black and white except for one color? Some photos can look really dramatic when you desaturate them and allow one color to pop through. This Instructable will show you how to make a photo B&W except one color using an app called Snapseed.
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Step 1: Open Desired Image in Snapseed
Step 2: Editing Photos Using Snapseed Filters
Add filters by tapping on the edit icon, which looks like a pencil, located on the bottom left hand corner. This will show various editing tools. In this tutorial we will focus on the "Tune Image" tool but feel free to experiment and use other tools.
Step 3: Fine Tuning Filter Parameters
With your fingers press on the image and move left and right to change the quantity of the filter parameter. To change filters click and hold onto the image and scroll up and down until the desired parameter is highlighted.
If you are not familiar with any of the filters and want the app to edit the photo automatically you can click the "Auto Adjust".
Once the desired look is achieved click the check mark located on the bottom right hand corner to apply the filter to the image.
Step 4: Applying B&W Filter
Similar to the "Tuning Filter" step, tap on the edit icon and using your finders scroll down to the preset filters and click on the "Black & White" filter on the list.
Once in the filter setting choose the desired black and white effect. In this tutorial we will use the "Dark" filter. When you are happy with the look apply the filter by clicking on the check mark on the bottom left hand corner.
Step 5: Going to the Brush Settings
On the top left hand corner there are 3 icons: the share, the layer setting and the app settings. Click on the middle icon and select the "View edits" menu option.
In the "View edits" window, all your filters will show up on the bottom left hand corner of the screen. Click on the "Black & White" filter and select the middle icon which represents the brush tool for that specific filter.
Step 6: Setting Up the Brush Tool
Once in the brush settings click the "Invert" button to activate it. Decrease the "Black & White" parameter to 0 and finally activate the mask option to view the mask.
The invert will show you how the image will look like when the filter is applied to image.
The "Black & White" parameter represents the amount of filter that will be applied to the image.
The mask will show you where on the image the filter was applied. Everything that is red means that the filter was applied to that location on the image. In the case of the second image above the filter was applied to the entire image.
Step 7: Using Brush Tool
Using your fingers start to colour the desired object/colour you want to preserve. In this tutorial we will use the flower. Zoom in by pinching the screen and this will change the brush size to get fine details of the image.
If you colour more than the desired object/colour, increase the "Black & White" parameter to 100 and paint back the filter.
A finished product should look like the final image above.
Once complete apply the brush filter by clicking on the check mark at the bottom left hand corner.
Step 8: Finished
Export the image by clicking done located on the top left hand corner of the screen.
Thank you for viewing this Instructable and I hope it helps you in anyway.
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