Color

How do I disable color change in the Safari bar in macOS Monterey?

21/07/2021 by ALOK DAS

Not everyone liked the function of automatically changing the color of the toolbar of the Safari browser depending on the “header” of the visited site, which appeared in macOS Monterey. It seems that most users are ready, albeit temporarily, to disable this feature.

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At first glance, this panel looks spectacular and bright, but on some sites it seems inappropriate. In addition, frequent changes in the color of the tabs when working with numerous sites can make your eyes tired. This is why you may need to revert to the old version.

How to turn off automatic color change in the Safari toolbar in macOS Monterey?

1. Open the Safari browser and go to its settings (Safari -> Preferences)…

2. Click the tab “Supplements”…

3. Uncheck the box next to “Show color in tab bar“, Actually, that’s all!

Now, when you browse the pages, the toolbar will remain in a light or dark version.

These steps also apply to the updated version of Safari (if installed) for macOS Big Sur users.

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Black and white photo became color: optical illusion

07/04/2021 by ALOK DAS

More and more often, life proves to us that we should not even trust our eyesight. Our perception of colors can be erratic and misinformation. And here’s another example.

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Take a look above at this black and white photograph of the gloomy Dunstanburg Castle. Now, without looking away or blinking, for 15 seconds, look in the center at the image (GIF-animation) below.

Soon the colorized picture will change to black and white, but our brain will process it as full color. If this illusion does not go away after five seconds, then you just need to blink a few times. But if this does not help, then it is better to tear yourself away from the screen for a while in order to bring your eyesight and nerves in order.

The “trick” of the illusion is that after changing the color picture to black and white for a few seconds, we see the photo in full color. And this behavior of our body is understandable. There are three types of photoreceptors in human eyes. The most highly sensitive rods help a person see better at night, the less sensitive receptors are responsible for daytime vision, and the third cones are responsible for color perception. Best of all, these cones perceive the blue, green and red parts of the spectrum.

In this case, we are invited to look at a picture with clearly saturated colors. This sight leads to overstrain of the cones, they stop responding for some time. The receptors remaining in the system at the time of displaying a black-and-white photo show opposite colors. This is how an unusual illusion appears.

PS. Do not be afraid that our brain somehow changes the color picture to black and white – this is how an animated picture (GIF) behaves. And the essence of the illusion is in the “coloring” of a black-and-white canvas after contemplating an oversaturated base…

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Poll: What color of sneakers do you see – white or black?

26/12/2020 by ALOK DAS

There is not so much absolute in our world. Even colors have many shades, moreover, some people are physically unable to perceive them. The difference between people and their tastes in clothes is well used by fashion. People are boldly experimenting with clothes, while some dispute its shape, others criticize the colors.

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Quite often, people make fun of modern collections. But sometimes it is not clear not only the purpose of the garments, but also their colors. Some even deliberately speculate on this by posting fancy pants, coats or dresses on the Internet. And the answer to the question of what color they are is not so unambiguous. In addition, the image is not always of high quality in order to unambiguously determine the truth. One has only to look differently at the picture and read the reviews of other people, as the opinion can change. But what kind of clothes are these, it is not clear what color!

Netizens have taken a close look at regular Nike sneakers, which are covered with Louis Vuitton’s light pattern. The author of the cryptic photo asked a simple question on Twitter: “What color are the shoes?” Surprisingly, this caused a lot of controversy. The logos glowing on the surface of the shoe added to the complexity.

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What color are these sneakers?

Some users believe that the original color of the sneakers is white, and all the action takes place in a dark room. Others believe that a luminous print is also applied on the white base. To some, sneakers seem at all black, black with a white pattern, or with black laces. Gray, pink, gold or brown color options are also considered.

This is proper messing with my head. Do you see black or white trainers here? I can only see black trainers with black laces. ? pic.twitter.com/5AX1Sxpf2T

– ᴊᴀᴄᴋ sᴜʟʟɪᴠᴀɴ (@TheJackSullivan) January 27, 2020

Similar discussions of clothing color occur from time to time on social media. Surprisingly, people have very different points of view. This phenomenon even became interested in neuroscientists, who identified the cause of the optical illusion in the wrong color rendering of the processed photograph.

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How to find digital web code (HEX, RGB) of any color directly in Google

29/11/2020 by ALOK DAS

Of course, this information is not useful for everyone … but if you have a web design project and need to deal with the shades of colors, now you can open not Photoshop, but a much faster browser.

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If you enter any HEX code, for example, # 000000, as a search query in Google, a fairly simple and convenient color converter will open. It allows you to select a hue and get its values in two systems at once: RGB and hexadecimal (Hex), as well as get information on HSV, HSL and CMYK.

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How to automatically color pictures online (sketches, sketches and other images)

09/09/2020 by ALOK DAS

If you know how and love to draw, but giving color to images is difficult for you, then you can turn to the PaintsChainer project for help. This new development, based on a flexible neural network, will allow you to quickly and efficiently color the finished sketches.

The service accepts files of all popular formats, including JPG, PNG, GIF and TIFF. The sequence of actions for an artist who wants to try PaintsChainer in action is as follows:

First, go to the PaintsChainer project site;
Then press the button “Select a file»And select on the computer the sketch that you plan to process. After that, the service will automatically color the uploaded image;

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If the automatic color selection does not suit you, you can use the proposed tools and show the service which places and with what colors (pencil or paints) should be painted;
Then press the button “Colorize“.

For example, you can mark with colored dots on the sketch the areas to which you want to apply a specific shade.

In both cases, the system will paint the image itself, but in the second case it will do it in accordance with the parameters specified by the user.

Some examples of automatic coloring:

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New in iOS 14: How do I style Reminder lists with emoji, icons, and color schemes?

09/08/2020 by ALOK DAS

In iOS 13, Apple made many improvements to Reminders, including the ability to personalize lists. This allowed users to add colored icons to make it easier to find and organize lists. But in iOS 14 and iPadOS 14 (a detailed look at new features), Apple made another major improvement in the appearance options for reminders.

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Now you are no longer limited by the icons provided for your reminder lists. You can choose one of the additional characters as well as any emoji emoji from the virtual keyboard. We’ll share the latest improvements to personalized lists in “Reminders” on iOS where emoji and symbols can be used.

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How to make a list in “Reminders”

1. Open the app “Reminders” on iPhone or iPad, create a new list using the “Ext. list” or select an existing one.

2. Click the icon “Yet” (three dots in a circle) in the upper right corner and select “Title and design“.

3. At the top you will see the name of your list, as well as its current icon and color. You may also notice that a few more new symbols have become available in iOS 14. You can now also select icons such as document, book, building, tent, etc.

4. To use emoji emoticons as the name of the list, tap the emoticon icon in the upper left corner of the character selection panel. Now just find any emoji you like! You can choose anything from an emoticon to an animal, from a sport to a flag. All emoticons on the virtual keyboard are now at your disposal.

If you use emoji for your list, the color of your choice will be the background for the centrally located emoji icon.

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Customizing reminder lists with emoji, symbols, and colors will help you identify the item you want at a glance. Plus, it gives you the ability to personalize the app to your liking.

What are your thoughts on the new Reminders symbols and emojis in iOS 14 and iPadOS 14? Do you design reminder lists or do you prefer to leave them as they are?

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This black and white photograph tricks our brains – you see it in color!

06/08/2020 by ALOK DAS

On Patreon, user Evind Kolas posted an unusual photo that easily tricks our brains. The color image we perceive is actually black and white.

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Evind Kolas himself has been involved in image processing projects for quite some time. This time around, his visual experiment gained prominence on the Internet. Kolas took a grayscale photograph and superimposed a colored grid over it. As a result, cells on a gray background are perceived by our brain as colored.

The photo spread quickly on the web. Many users did not pay attention to the stripes at all (especially if the image was reduced) until they were pointed to it. Others see a picture without a grid, painted in different colors, but perceive the photo as an entirely colored one.

Optical Illusion has amassed tens of thousands of shares on Reddit and Twitter. People were interested in the reason for this optical illusion. Some users blame the lazy color receptors in our eyes for this, especially in the periphery. As a result, colors are mixed and an unreliable picture is formed. And other users enlarged the original image and it turned out that there is still color noise in the black and white parts of the image. So our vision is not that deceiving.

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Optical illusion: all the balls in this picture are the same color, but how do you see?

12/07/2020 by ALOK DAS

A professor at the University of Texas at El Paso, David Novak, published a curious optical color illusion on his page. A scientist has been working with color for a long time and knows a lot about his perception. This is exactly what allowed Novak to create simple but interesting images. It’s only with their help that he deceives our brain – you don’t immediately understand that reality is different from what we see.

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There are two image options. One provides for volumetric figures, and the other is flat. The color of the balls is the same in both cases, but we don’t see it due to the multi-colored stripes.

It is their color that affects the perception of the main figures. The “multi-colored” balls are actually of the same color, which cannot but surprise.

And this illusion has become so popular that it quickly spread across the Internet. This effect is called the Manker-White Illusion. David Novak himself called this illusion “confetti.”

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The professor noted that the effect does not work with a stretched image. Those who clearly see a circle of the same color should reduce the size of the picture. On the contrary, to prove the same color of the circles, you just need to stretch the image to the full screen.

Related video:

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DISCOUNT (149р → 0р) Color Accent: How to change individual colors in a photo to black and white on iPhone and iPad

24/04/2020 by ALOK DAS

Given the love of iPhone users for photography, developers regularly update the collection of graphic editors in the App Store, equipping them with all new and new features. Reporting Application – Color accent – Designed for fans to play with the color scheme of their shots, in particular, the development allows you to change the selected colors in the photo to black and white.

Download Color Accent for iPhone and iPad (App Store)

the main task Color accent – selection of certain objects in the pictures using color. Of course, a similar effect can be achieved with the help of other editors, however, this application allows you to do this as quickly as possible.

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So, first you need to take a picture or download an existing one from the library. Then you need to select the elements on the image that you want to focus on, and the rest of the photo will turn black and white (in the right places the effect can be “erased” using your finger as a brush). Selected colors can be replaced with arbitrary colors or increase / decrease their intensity.

The resulting image can be further processed by adding a sticker to the image or by applying one of the filters available in the database. The result can be immediately shared on social networks or exported to cloud storage.

Download Color Accent for iPhone and iPad (App Store)

We also recommend that you familiarize yourself with a simpler solution to the above problem – the exColor application.

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How to make a black and white photo color: 4 services for automatic coloring of black and white photos

08/04/2020 by ALOK DAS

The next generations will look at us with high-resolution color videos. But the images of our grandparents we store most often in the form of yellowed and cracked black and white photographs. They convey the ambience and spirit of the time, but he clearly lacks colors. But they could play an important role, but the photographer physically could not pass them to us.

But now it is no longer possible to accurately reproduce the conditions in which the picture was taken. You can only try to add color to the photo and try to imagine what the author of the picture saw at that moment. This is akin to true magic and time travel.

Now everyone can give color to historical photographs or, for example, their children’s (or parental) photo albums.

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How to make a black and white photo color on the Colorise online service

Programmers and analysts at Singapore-based GovTech have launched the Artificial Intelligence Colorise project to colorize classic old photos. The team set a goal – to create images with believable colors. But no one can guarantee that the new photo accurately reflects the actual situation in the picture. I must say that colorization is an actively studied area. You can recall at least the classic black and white films painted in Russia, which received a second life. The result cannot be ideal – some photos respond better to processing, while others are worse. Like a new photo, too, not everyone.

The creators of the service guarantee that photos uploaded by users will not be provided to a third party. We will tell a little about how this interesting site was born.

Manual colorization of the photo is a very time-consuming process. The specialist must first study in detail the historical, cultural and geographical context of the work and select the appropriate required colors. Then a black and white photo is painted using programs. Most often this is regular Photoshop. This is a very simplified scheme. Similarly, a computer program solves its tasks. It should identify objects on a black and white background and determine an acceptable color for them, taking into account past experience. Then coloring takes place.

The Singapore team used the Generative Adversarial Networks (GAN) deep learning technique. It includes one neural network with millions of parameters, trying to predict color values for different black and white pixels based on image features and another, trying to determine the photorealism of the generated colors compared to similar photographs. The model continues self-training until the generator creates “fake” colors.

To train the model, a set of 500 thousand old available photographs and many NVIDIA V100 GPUs were used. To improve the results, an open image library from Google was used. This helped to process the parts of the body with which the original model worked poorly: arms, legs, hard-to-identify limbs. Google help has increased the speed of learning.

Initially, the model worked on a local cluster inside the office – only a development team had access to it. For the result to be visible to everyone, it took a web application through which the service could receive requests from outside. As the cloud provider, the Google platform was chosen. It allows you to protect yourself from attacks, store and cache static content, balance and distribute the load.

The staining step requires significant computational power and takes about 3 seconds. The task of making requests to the backend is performed by the NGINX server. It may ask the user to try again later if the frequency of incoming requests exceeds the speed of internal services. The key point of the architecture is the automatic scaling of virtual machines depending on the amount of traffic. This allows you to save money, since additional capacities are activated only if requested.

The Colorise service performed well in high-resolution images, in which a large part of the photograph is occupied by people. It copes well with landscapes. The resulting images look plausible if they have objects present in the training set. The model correctly defines them and paints them in the right way.

But if something unrecognized appears in the photo, a funny occlusion effect may result. In computer vision, this is an important problem associated with the difficulty of identifying partially displayed objects.

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Other Similar Services: Algorithmia and Color

The Colorise service is not unique; its competitor is at least the famous Algorithmia. There is a development called Color and Artemy Lebedev. A variety of options plays into the hands of us, users – you can always choose the best result from one or another resource.

Here it is also worth noting the Paintschainer service, which is perfect for automatically painting various drawings, sketches, sketches and other images.

See also:

How to turn off automatic color change in the Safari toolbar in macOS Monterey?

What color are these sneakers?

Related video: What word do you hear? Some hear “Lorl”, others “Yanni.”

How to make a list in “Reminders”

How to make a black and white photo color on the Colorise online service

Other Similar Services: Algorithmia and Color