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Designing Email Signatures for Sales: Dark Mode Optimization

The dark side rises. The dark mode seems to be the latest trend, and emails, email signatures, desktop and smartphone apps are the latest members of this dark, ominous, and popular group.

By introducing multiple dark modes for applications and email service providers, email marketers ought to learn the difference between dark and light optimization. Learning the difference might just be the key to a successful marketing campaign.

This article with take you through darkness and light and the best way email marketers can make use of this additional feature.

Basic Email Signature Elements

In modern-day business, it is not unexpected practice to have two forms of a corporate email signature block. The main form, you use when sending new messages. The subsequent form, a lot easier, you use when answering or sending messages inside. We should initially zero in on the mark you can add to new messages when beginning a web-based business conversation.

A good email signature for new emails should include the following elements:

  1. First name and last name
  2. Title and department
  3. Email address and telephone number
  4. Company name and Company Logo
  5. Company website
  6. Contact details (Address)
  7. Social media icons linked to official company profiles
  8. Call to action
  9. Banner (not compulsary)

What is the dark mode?

To begin with, are you curious to know what is this dark mode? What is this mode that seems to take the world by storm?

The dark mode is commonly referred to as color inversion. But that isn’t always the case.

There are several themes out there for various applications and settings that permit color inversion. Whereas when it comes to dark modes for certain applications and email service providers, it generally applies to the use of dark backgrounds with white text, as opposed to lighter backgrounds with black text.

Email signature template Dark Mode

The theory behind dark mode is to ensure that a user’s eyes are relaxed and not strained while also being able to focus on what they’re doing.

We are all dependent on our digital devices. Be it our mobile phones, laptops, or television screens.

With COVID-19 engulfing the world, limiting us to our homes, we are increasingly turning to digital devices to stay connected. Research has found that over 80% of American adults report using their digital devices for over two hours a day, while another 67% report using two devices simultaneously.

Does that sound like you? Fret not, for that is a large proportion of the adult population today.

Now coming to the crux of our article.

Should I design a professional email signature for dark mode?

For a dark mode email plan, your pictures ought to be straightforward. That way, when the foundation shading changes from white to dark, the email signatures will in any case look normal. On the off chance that a picture’s unfilled space is loaded up with white, it won’t make any difference in light mode – however, in dark mode, this will stand out in contrast to everything else.

Why email signature marketing is a great marketing tool?

Email Signature Marketing is easy to customize to a range of business goals. In addition to generating leads, this approach will help reach content download goals, maximize website views, promote social media engagement, and much more.

The use of email signatures in a subtle way can leave a lasting impression on your audience. Rather than looking at it as a mere shortcut to your contact details, it is also a great tool for branding and achieving your marketing and business objectives.

How do I do email signature marketing campaigns?

Scaling your email signature marketing campaign could be more than meets the eye. In the case of a single entrepreneur, he/she can manually modify his/her signature as and when they like, and all it takes is a few minutes. However, the same isn’t possible in big organizations with many departments having focused and specialized sales or marketing goals.

So, rather than manually process the cumbersome procedure, you can automate it with the help of tools available online like the Sloovi Email signature tool.

How can email marketers brighten sales by going dark?

Professional email signature examples

With an increasing number of people opting for dark themes for their emails, email marketers need to know how to enhance their emails for both the dark and light sides.

Tips are aplenty when it comes to optimizing regular emails. However, when it comes to dark email marketing, email marketers need to spend time working on how they are going to smoothly transition between dark and light so that their audiences can access these emails without any challenges.

As optimizing emails for dark mode is still fairly recent, it is important to learn how to decode the art of both light and dark to make your email signature templates attractive.

Here are a few tips to help maintain the brightness in your dark emails:

1. Use transparent images

Generally, email service providers that provide dark mode settings automatically adjust the colors in the CSS, but not the colors in the images.

Use transparent images

If you use images, it is best to use transparent background images, so that the image changes as per the background or your theme in the email signatures.

2. Use white stroke around the dark text

When it comes to the fonts in your email content, one trick to use is to apply a white stroke around the darker fonts. Although the white stroke doesn’t show much, especially in lighter settings, in dark mode, it makes the text clear and easier to read.

3. Avoid mixing images and background colors

Although many graphic designers might mix images and background colors to establish buttons and other design features, it might not be appropriate if you are attempting to incorporate both dark and light themes.

If you’re using background colors, they will possibly change between the dark and light modes while images won’t.

4. Test your email signature before you send

And lastly, but most importantly, test your emails for both dark and light mode. Although you may not be able to make your emails look perfect in every setting, you can use tricks to optimize your emails and email signatures for both light and dark themes.

Test your email signature before you send

By testing your emails with the sales manager beforehand, you will know what works, and what doesn’t.

so let’s find out your Ultimate Guide to Email Signatures.


Although designing for both dark and light optimization is the dream, there is currently no one-stop solution to make the emails function seamlessly for both dark and light themes. However, with time and a lot of testing, confident you will be able to work both dark and light smoothly.