Twelve colours, one bag. The decision turns less on taste than on how much you are willing to let people see — and on that point, the shades are not equal.
The criterion nobody mentions: the shade decides the transparency
The Jelly Firkin is moulded in frosted TPU, pigmented right through the material rather than coated on the surface. The consequence is direct: the denser and darker the shade, the less light passes through it, and the less anyone can make out what is inside.
This is not a detail. It is the first thing to settle. An Onyx gives up a mass, a shadow. A Pearl lets the shapes and the colours of what you carry be read. Everything between those two sits somewhere along the scale.
Two other factors work on top of the shade. Light first: in full sun, or in front of a shop window, every colour becomes more readable than it is indoors. Contents second: a full bag shows less than a half-empty one, where each object stands alone. And in the strong shades the bag tints what you glimpse — a pale notebook behind Cherry reads as pink.
The neutrals: Pearl, Butter, Blush
Pearlescent, pale yellow, powdered pink. Three light, low-saturation shades that behave like neutrals: they do not argue with an outfit, they settle onto it. They work with denim, with white, with beige and camel, and they carry through the year without effort.
They are also the most readable of the twelve. The bag reads almost like a display case. Excellent if you pack tidily and your things are good to look at; worth tempering with an opaque pouch if not.
The pastels: Sky, Mint, Lilac, Lavender
Sky blue, mint green, lilac, lavender. This is the heart of the range and the easiest compromise to wear: colour, without raising the voice. A pastel is noticed close up and stays quiet from a distance.
On transparency they hold the middle ground. You can see there is something there; you cannot quite see what. The shade blurs the reading by just enough.
Lilac and Lavender are neighbours and are often confused in photographs. The first leans pink, the second blue-grey. If your wardrobe runs cold — grey, navy, black — Lavender fits in better. Against warm tones, Lilac does more.
The brights: Cherry, Sunset, Lagoon, Cherry Blush
Cherry red, orange, lagoon blue, and Cherry Blush, which plays the cherry and the pink together. These are not worn discreetly: they are noticed, and that is precisely the reason to choose one. They want a plain outfit around them, or the silhouette pulls in several directions at once.
There is an advantage here that usually goes unnoticed: the brights hide the contents better than the neutrals do. The pigment is denser, less light passes through, and what you do glimpse takes on the colour of the bag rather than its own. You see that there is an object. You do not see which one.
The dark one: Onyx
Onyx stands alone, and it is a shade apart. Translucent black, it is the most covering of the twelve: it shows volumes and almost never detail. This is the one you take to go everywhere, from the desk to dinner, without wondering what is on show.
It is also the closest to a conventional bag when read from a distance. The honest trade-off: it plays the jelly idea least. If transparency is what draws you in, Onyx gives you its most restrained version.
Choosing by use
For every day
Onyx if you carry work things, papers, a laptop. A pastel if your day-to-day is lighter. The real test is what you put in on a Monday morning, not what you picture on a Saturday.
For summer
This is the season of pastels and brights. Sky, Mint, Lagoon and Sunset work over linen, cotton and light clothes, and they take hard sunlight better than the neutrals, which become very readable in full sun.
For evening
Onyx and Cherry. The first disappears and lets the outfit speak; the second becomes the single accent. Both settle the question of visible contents under low light, where the transparency barely registers anyway.
For a first jelly
Take the shade that already appears three times in your wardrobe. A first clear bag is a step in itself; there is no need to add a colour you never wear. Onyx, Pearl and Blush are the easiest to absorb. Cherry is the most committing.
Two habits that hold for all twelve
Slip an opaque pouch inside. It settles the privacy question without taking anything away from the bag, and it lets you choose your colour freely rather than by default.
Think about what you clip onto it. A charm changes how a colour reads: it anchors a pastel, calms a bright, wakes up a neutral. And if you are torn between two shades, the Mini Jelly Firkin comes in the same twelve — plenty of people take the second one in the small format.
We are not going to name a best colour, because there isn't one. There is the one that matches what you wear, what you carry, and how much of it you are happy to show. All twelve are on the Jelly Firkin product page, and the full range sits in the bags collection.
Published 28 August 2026 by La Firkin, a Swiss maison — Lausanne.