A colourful logo, a name on a bottle and a translucent computer do not solve the same problem.

Yet stories about successful design often flatten them into one familiar message: a business changed its appearance, people liked it and sales followed.

That version is easy to remember. It is also easy to get wrong. Brand identity, packaging, product design and the experience of buying something can work together, but they are not interchangeable. Nor does a company’s growth prove that a particular creative decision caused it.

Three examples make the distinction clearer. Slack changed an identity that was awkward to reproduce consistently. Share a Coke turned packaging into an invitation between people. The original iMac combined an unusual appearance with a different presentation of the personal computer.

Each is more interesting when we ask what the design was actually trying to do.

Slack: when a recognisable logo becomes difficult to use

On 16 January 2019, Slack explained why it was introducing a new logo. Its account described an original mark with eleven colours, which worked best on white and could look wrong when placed on a different background or used at a different angle. Different versions had accumulated across the business. Slack said it worked with Pentagram on a more cohesive identity. These are the practical problems documented in Slack’s own explanation of the change.

Notice what this story is not. It is not evidence that the old logo prevented colleagues from sending messages. It is not proof that a new symbol reduced the volume of email. The problem being addressed was the identity’s behaviour across applications.

That distinction makes the case useful to businesses much smaller than Slack. A logo rarely lives only in the file where it was designed. It may appear on a dark jacket, a pale invoice, a shop window, a small social profile and a vehicle panel.

Those settings impose different demands. A mark can be attractive at a generous size on a screen but difficult to recognise when reduced. A colour relationship can disappear on another background. A detailed feature may become ambiguous when reproduced by a different method.

There is nothing inherently wrong with a complex identity. The question is whether its complexity serves a purpose—and whether the business can apply it reliably.

The hidden work behind “make it consistent”

Consistency sounds like a matter of telling everyone to use the same file. In practice, the business may need several approved versions because one arrangement cannot sensibly suit every setting.

A horizontal sign and a square profile image do not offer the same space. A small label and a large display do not demand the same amount of detail. Light and dark backgrounds may require different treatments.

A useful identity system anticipates those differences without allowing every application to become a separate invention. It establishes what can change and what should remain recognisable.

This is a production and communication problem as much as an aesthetic one. Someone preparing a sign or garment needs to know which artwork is suitable. Someone seeing the finished item needs to identify the business without decoding the design.

Our interpretation of Slack’s case is that the value of a redesign can lie in removing this friction. That is a narrower claim than “the new logo transformed the company”, but it is more concrete and easier to evaluate.

The relevant questions are practical: can the identity be recognised in its real settings, reproduced using the intended method and applied without repeated improvisation?

Share a Coke: packaging becomes a reason to involve someone else

Coca-Cola’s account of Share a Coke traces the campaign to Australia in 2011. The initial packaging used 150 popular names. In a retrospective interview, campaign architects Lucie Austin and Jeremy Rudge described an idea centred on giving a Coke to someone else, rather than only finding a bottle for yourself. Their account also explains how personalised kiosks and digital activity accompanied the packs. Coca-Cola’s interview with the campaign’s architects records those decisions.

An IAB Australia campaign submission also documents the named packaging and the invitation to connect. It is an account submitted for an industry award, not an independent experiment isolating the effect of the label.

The important design move was not simply adding more text to a bottle. A familiar commercial object carried a prompt that could refer to a particular person.

A name creates a different kind of attention from a product description. It can make someone pause because the packaging seems relevant to them—or to a friend, relative or colleague.

The invitation then gives that recognition a direction. The pack is not only something to identify on a shelf. It suggests an action involving another person.

This is why personalisation and participation should not be confused. A personalised item can remain a private object. A campaign can ask people to pass something on, search for another name or share an experience. Those are different creative choices.

The printed object was only part of the campaign

It would be misleading to describe Share a Coke as a label redesign operating alone. The company’s account describes supporting activity around the packaging. The physical object and the wider campaign reinforced the same invitation.

That matters when interpreting outcomes. If a campaign combines packaging, advertising, distribution and interactive experiences, the overall response cannot automatically be assigned to typography or a printed name.

Company reports can tell us what the business says happened. They can document the scale of an activity or its expansion. They do not, by themselves, establish what would have happened with every other element unchanged.

For that reason, the useful lesson here does not depend on repeating a dramatic sales percentage. It rests on the relationship between the design decision and the action it invited.

There is also a limit to the lesson. Printing a name is not automatically meaningful. A personal detail needs a reason to belong on the item. If it is inaccurate, hard to read or disconnected from the occasion, the extra effort may not help.

Our practical reading is to begin with the human connection: who is this for, why will the detail matter and what should the recipient do or feel when they notice it?

Only then does it make sense to choose the format, artwork and placement.

The original iMac: appearance attached to a product proposition

Apple’s October 1998 announcement reported that it had shipped 278,000 iMacs in the first six weeks after launch. “Shipped” is the measure used in that announcement; it should not be silently replaced with a different sales metric. The original Apple announcement provides a contemporary record rather than a later legend.

Apple subsequently reported 800,000 iMac sales over 139 days when it announced a five-colour range in January 1999. Those later colour choices were not all available at the original launch. Apple’s January 1999 announcement keeps that sequence clear.

These figures establish a strong reported response to the product. They do not prove that colour alone caused it, and they do not substantiate a simple claim that Apple’s market share rose by a particular percentage because of the design.

The more useful question is how appearance contributed to the product’s proposition. The iMac did not look like an anonymous office box. Its visible difference gave the product a way to announce itself before someone had read a specification.

But a product is not merely its silhouette. The buyer still has to decide what it does, whether it suits their needs and whether its limitations are acceptable.

Design can make a proposition more approachable or distinctive. It cannot remove the need for that proposition to be worthwhile.

Distinctive does not mean universally preferable

It is tempting to say that people naturally prefer a colourful, friendly-looking product. That turns a specific example into a universal rule.

Different buyers may want different things. A device chosen for a shared office may be judged differently from one bought for a home. Some customers welcome a conspicuous object; others prefer something visually quiet.

The same distinction applies to printed and branded materials. A bold display can be useful when it needs to attract attention from a distance. A document intended for close reading may benefit from restraint. Neither approach is automatically better.

Our interpretation of the iMac story is that a distinctive appearance can help communicate that a product offers something different. The difference still needs to make sense in use.

A surprising exterior attached to an unclear offer may generate curiosity without resolving a buying decision. A distinctive design attached to a clear, relevant proposition has a more coherent job to do.

Three stories, three different design questions

Slack’s case asks whether an identity works reliably across its applications.

Share a Coke asks whether a printed object can carry an invitation that feels personally relevant.

The iMac asks how a product’s appearance can help communicate its proposition.

These questions overlap, but they should not be collapsed into a claim that every redesign produces the same kind of benefit.

A business considering a change can start by identifying which problem it actually has. Is it difficult to recognise? Is the offer hard to understand? Are materials inconsistent? Is the next action unclear? Does the product look indistinguishable from alternatives despite a meaningful difference?

That diagnosis prevents a familiar mistake: commissioning a visual refresh when the real uncertainty concerns the offer, or adding more explanation when the immediate problem is visibility.

It also makes evaluation more useful. If the objective is legibility, examine legibility in the real setting. If it is recognition, check whether people identify the business. If it is a clearer enquiry route, observe whether suitable customers can find and use it.

Those checks do not replace sales evidence. They help explain whether the design is doing the specific job assigned to it.

The Time for Designs view: follow the customer’s next question

For us, the practical value of these examples is not a promise that design will transform every business. It is a reminder to connect a creative decision to the person who will encounter it.

A customer looking at a sign needs to understand what is offered and where to go. Someone receiving printed material needs to find the useful information. Someone choosing branded clothing needs to see how the identity will appear on the garment.

These are ordinary questions, but answering them well requires more than decoration. It requires hierarchy, suitable artwork and an understanding of the context in which the item will be used.

A useful starting brief therefore names the audience, the intended setting and the next action. It also identifies the information that must remain clear when the design is viewed at its actual size.

Before approving artwork, ask: what will someone notice first, what will they understand next and what remains uncertain?

That sequence creates a more practical conversation than asking whether a design feels modern. It allows visual choices to support the offer rather than compete with it.

Reported success is not the same as proven causation

There is a final caution worth carrying into every design case study. A date, a redesign and a later business result can appear together without establishing that the redesign caused the entire result.

Pricing, product development, distribution, marketing and wider conditions may also change. A corporate announcement may accurately report an outcome while presenting an optimistic interpretation of its causes.

This does not make the story worthless. It means the reader should distinguish the documented decision, the reported outcome and the explanation being offered.

The best lesson is often smaller than the headline but more useful: reduce reproduction problems, create a relevant invitation or make a product proposition easier to notice.

Good design is not one magic intervention. It is a set of decisions that should help someone recognise, understand, choose or use something.

Knowing which of those jobs matters is where the work begins.

Related stories

For a change driven partly by the realities of using a design across formats, read why IKEA changed to Verdana.

For the difference between changing an identity and changing the whole buying proposition, read JCPenney’s 2012 reinvention.

Sources and evidence

Company sources establish their stated decisions and reported outcomes. The practical interpretation throughout this article is Time for Designs’ analysis; it is not evidence that appearance alone caused commercial success.