Custom Pet Bag Colour Range Planning

Pet carrier production desk · Updated 2026-10-07 · 14 min read

A custom dog carrier brief starts with the weight band, not the colour: strap width, base board thickness and mesh ratio all follow from how heavy the dog actually is.

Three tiers, not a palette

The most common way a colour range is built is by selection: a brand team gathers around a set of swatches and picks the ones they like. The output is a palette, and a palette has no internal logic - nothing in it says which colour should sell, which should be reordered, or which exists only to make the others look considered. A range needs that logic, because the logic is what survives contact with an inventory spreadsheet.

The structure that works has three tiers. Anchor neutrals are the colours that carry volume across every season: black, charcoal, navy, stone, taupe. They are reordered predictably, they photograph consistently, they match a customer's existing gear, and they are the colours a retailer will always list. A pet bag range without at least one strong anchor neutral is a range that depends entirely on taste.

Bridge colours sit between the anchors and the spikes. They are more expressive than a neutral but stable enough to run for two or three seasons - a deep olive, a dusty rose, a warm terracotta, a muted teal. Their job is to give the range personality without betting the season on it, and they are the tier where most brands under-invest because bridges are less exciting to choose than spikes.

Spikes are the seasonal, limited, conversation-generating colours. They run once, they are not reordered, and they exist to generate photography, press and a reason for an existing customer to buy again. They should be small - under 10 percent of volume - and they should be treated as a marketing expense with a unit cost rather than as a product line.

The discipline the structure imposes is a share-of-volume target for each tier, written down before the swatches are chosen. A range planned as 60 percent anchor, 30 percent bridge and 10 percent spike behaves completely differently from a range where every colourway was expected to sell equally, and the difference shows up in the second season rather than the first.

One useful test applies to any proposed colourway: does it have a job? If a colour cannot be described as an anchor, a bridge or a spike, it is decoration on the range plan, and decoration is what gets cut when the minimums come due.

Neutrals deserve more development attention than they get

Neutrals are treated as the easy part of a colour range and they are the hardest part to do well, because they are the colours customers compare most ruthlessly and because small deviations read as defects rather than as variations.

Black is the clearest example. A black pet bag is judged against every other black object a customer owns, and the failure modes are specific: a black that goes green under certain light because the dye recipe leans blue, a black that fades toward grey after a season of sunlight, a black shell whose webbing, zipper tape and thread are three visibly different blacks. Each of those is a development failure, and none of them is visible in a studio photograph.

The practical response is to specify neutrals as measured targets rather than as names. Give the mill a physical standard or a referenced colour value, require a lab dip against it, and evaluate the dip under three light sources - daylight, retail fluorescent and warm domestic - before approval. A neutral that matches under one light source and diverges under another will generate returns that nobody will attribute to colour.

Navy and charcoal have their own traps. Navy is the least stable of the common neutrals across dye lots, because small variations in the red component of the recipe produce visible shifts at volume. Charcoal is the most sensitive to fabric finish, because a charcoal on a matte fabric and the same recipe on a fabric with a slight sheen read as different colours entirely. Both should be treated as engineered colours with defined tolerances rather than as standard shades.

The payoff for getting neutrals right is outsized. In most pet bag ranges the anchor neutral is the colourway that gets reordered, the colourway a retailer lists without hesitation, and the colourway that appears in the brand's most-used product photography. It is also the colourway where a mismatch between shell and webbing is most obvious, which leads directly to the next problem.

Matching one colour across five materials

A pet bag is never one material. A single unit might combine a dyed polyester shell, a nylon or polyester webbing, a zipper tape with a dyed or woven edge, a sewing thread, a lining fabric, a coated baseboard covering and a metal or plastic hardware set. Getting all of those to read as one colour is the hardest practical problem in colour range planning, and it is the problem that most visibly separates a considered range from a cheap one.

The reason it is hard is that each substrate accepts dye differently. Polyester takes disperse dye and produces deep, stable shades. Nylon takes acid dye and tends to read brighter at the same recipe. Polypropylene is solution-dyed and cannot be matched to a dyed polyester beyond a broad approximation, which is why polypropylene webbing should either be replaced in a colour-critical programme or accepted as a deliberate contrast element.

The working rule is to nominate one material as the standard and match everything else to it, rather than trying to match everything to an abstract swatch. The shell is the usual standard because it has the largest visual area. Webbing, zipper tape and thread are then matched to the approved shell, and the approval is done on an assembled sample under defined lighting rather than on individual components side by side.

Thread is the item that gets forgotten and the item that betrays the range. A thread matched nominally but not optically will flash at every seam line, particularly on a neutral, and particularly after washing when the shell and the thread shrink differently. Specifying thread one shade darker than the shell is a standard trick - a slightly darker thread reads as a shadow line and a slightly lighter one reads as a defect.

Hardware introduces a fourth dimension: metal is not dyed, it is plated or anodised, and the colour vocabulary is different. Gunmetal, light gold, rose tone and matte black are the common families, and matching a plated finish to a dyed fabric is an art rather than a measurement. Treat hardware as deliberately coordinating or contrasting, and hold one finish across the range so it reads as a signature. That also reduces hardware SKUs, which matters at MOQ.

The fastness targets in that table should be read as minimums for a general market and raised for specific contexts: a product sold through a channel with outdoor display, or into a high-UV market, should be specified at the top of the range regardless of tier, because fading is the one colour failure a customer will attribute to quality rather than to age.

Dye-lot tolerance: the number that stops arguments

Colour matching without a stated tolerance is an argument waiting to happen, because the mill, the production team and the brand will each have a different idea of what close enough means. The fix is a Delta E figure in the specification, an agreed measurement method, and an agreed reference standard.

Delta E is a single number expressing the difference between a sample and a standard in perceptually uniform colour space. The practical thresholds are well established: a Delta E below about 1.0 is imperceptible to most observers, around 2.0 is perceptible to a trained eye on a side-by-side comparison, and above roughly 3.0 is visible to an ordinary customer comparing two units on a shelf. For a pet bag programme the sensible specification is Delta E 1.5 or less against the approved standard for shell fabric within a single order, and Delta E 2.0 or less between repeat orders.

Within-order tolerance is the one that protects the shelf, because two units of the same colourway sitting next to each other must not differ visibly. Between-order tolerance is the one that protects the brand over seasons, because a reorder in the following year has to match what is already in a customer's home. The second is harder to hold and it is worth stating separately, because a mill that can hold 1.5 within a lot will not necessarily hold 2.0 across twelve months.

Measurement method has to be agreed too. A spectrophotometer reading on a folded, conditioned fabric sample under a defined illuminant is the standard approach, and the illuminant must be named - a match under one illuminant does not guarantee a match under another, which is exactly the phenomenon that produces the navy problem described earlier.

Reference standards are the administrative half of the system and they are the half that fails. Once a colourway is approved, a physical signed standard should be retained, labelled and referenced in the tech pack, and a duplicate should be held by the production side. Approving a reorder against a fading studio swatch or against a photograph is how ranges drift a full shade over three seasons without anyone noticing.

Finally, decide in advance what happens to off-lot material. Fabric that falls outside tolerance but is not unusable can either be rejected, used for a component where the deviation is invisible - an internal lining, a pocket bag - or used for a prototype run. Deciding that policy before the first order prevents a difficult conversation at the worst possible moment.

Fastness, chemical safety and the market you are selling into

Colour is a chemical decision as much as a visual one, and the chemical requirements vary by destination market. Two families of requirement matter for a pet bag programme: how well the colour stays on the fabric, and what is in the dye and finishing chemistry to begin with.

Fastness divides into several distinct tests and specifying only one is a common error. Fastness to light governs fading in use and in display. Fastness to rubbing - dry and wet - governs colour transfer onto a customer's clothing or car seat, which is the failure that generates the angriest review. Fastness to washing governs what happens after the first clean, and fastness to perspiration matters for any product that will be carried against the body. Each has its own grade scale and each should have its own target in the specification.

Wet rubbing deserves specific emphasis in this category. A saturated colour on a pet bag that transfers onto light upholstery or onto a customer's clothing produces an immediate return and a review that mentions staining. A target of grade 3-4 wet is the practical minimum for a mid-market product and grade 4 is the safer position for anything sold at a premium price.

Test methods are standardised and referencing them removes ambiguity. The ISO colour fastness series published through ISO provides the framework most mills and testing houses work to, and stating the specific test number alongside the target grade turns a subjective assessment into a pass or fail.

Chemical restrictions are the second family and they are market-specific. European markets operate under REACH-style substance restrictions, United States markets have federal and state-level requirements including California's Proposition 65 list, and most major retailers impose their own restricted substance lists on top. Independently certified textile chemistry, such as the standards administered by OEKO-TEX, is the most efficient way to satisfy several of those requirements at once, and it is increasingly requested by retailers as standard rather than as a differentiator.

The practical advice is to state the destination markets in the brief, because the dye recipe is chosen at the start of the process and reformulating a colour to meet a restriction discovered late means restarting the lab dip sequence and, in many cases, re-shooting the product photography.

Naming colourways for retail and search

Colour names do two jobs and most ranges only do one. The first job is to help a customer find the product: online, colour is a filter and a search term, and a colourway named something evocative but unsearchable is a colourway that will not be found. The second job is to give the range personality, which is where evocative names earn their place.

The resolution is a two-part name: a plain descriptor that does the search work and a distinctive name that does the brand work. Midnight Navy is more useful than Midnight alone; Dusty Rose outperforms Blush in both search and imagination. Retailer systems frequently truncate or normalise colour names, so the plain descriptor should come first in the string.

Consistency across the range matters as much as the individual names. A set of colourways named after cities, a set named after plants and a set named with plain descriptors are three different brand voices, and mixing them within one range reads as unfinished. Pick a system and hold it across the range and across seasons, because the naming system is one of the few things a customer will recognise as belonging to the brand.

There is a practical constraint too: retailer colour codes. Most large retailers assign their own colour codes and require them on packaging and in product data feeds. Planning the naming convention so it can coexist with an external code - a short internal code alongside the consumer-facing name - avoids the rework that happens when a listing requires a field the brand has not defined.

Finally, avoid naming a colourway after a material it does not contain. Calling a colourway Suede on a product with no suede component is a small inaccuracy that becomes a problem when a customer service team has to explain it, and it is the kind of detail a marketplace compliance reviewer will flag.

The MOQ arithmetic behind how many colourways you can afford

Every colourway is a commitment, and the arithmetic is less forgiving than it looks. A colourway minimum applies to the colourway, not to the order, which means a four-colourway range across a four-rung size ladder is nominally sixteen combinations - and no first season sells sixteen combinations. The rung structure those combinations sit on is described in size ladders for retail ranges, and the shell material a dye recipe has to work with is covered in choosing shell fabrics for a custom pet bag.

The technique that makes this work is selective application. Colourways are not applied uniformly across the ladder: the anchor neutral runs on every rung, the bridge colours run on the two volume rungs, and the spike runs on one rung only. That structure produces a range that looks broad on shelf while keeping every individual colourway above its minimum and keeping the total order size realistic.

Dyed-to-order fabric is the second constraint and it sits upstream of the assembly minimum. A mill will dye to a minimum lot size, typically several hundred to a few thousand metres depending on the fabric and the recipe, which sets a floor under how small a custom colourway can be regardless of how many units the brand wants. Stock colours avoid this entirely, which is why a first programme is usually better served by stock colours in the shell with custom branding carrying the differentiation.

Inventory risk is the third constraint and the one that hurts. Each additional colourway adds inventory that may not sell, and unsold colourway inventory is the hardest stock in this category to move, because it cannot be repurposed into another colourway and it is too specific to be sold as a generic. The conservative rule is to add a colourway only when the existing range is selling through at a rate that justifies it, rather than at the planning stage on the assumption that it will.

There is one legitimate way to run more colours without more inventory: make the colour interchangeable. A range built with a removable, replaceable panel or a swappable accessory lets a brand offer six colour expressions off one base inventory, and it converts the colour range from a purchasing risk into an accessory programme. That structure is more common in pet apparel than in carriers and it is under-used here.

The colour development calendar

Colour work has a longer lead time than most first-time programmes budget for, and the reason is that it happens twice: once to choose the colour and once to approve it in production.

The first phase is lab dips. A mill produces small dyed samples against the brand's standard, typically three or four variants per colourway, and the brand selects. This phase is quick in isolation - lab dips are produced as samples in 6-10 working days - but it iterates, and three rounds is normal for a demanding neutral. Budget for iteration rather than assuming the first dip will be approved.

The second phase is the assembled colourway prototype. Lab dips on flat fabric are not the same as the finished product, because fabric finish, seam shadow, thread, hardware and adjacent panels all change how a colour reads. Approving colour on an assembled sample, viewed under the three agreed light sources, is the step that prevents the most expensive colour failure - discovering a mismatch after bulk fabric has been dyed.

Custom dyeing adds real time when it is needed: 12-18 days over a stock colour, and more if the recipe has to be reformulated to meet a market restriction. Programmes that need a specific brand shade should start colour development before the pattern work is finished, because the two run in parallel and colour is the longer pole.

Bulk then follows the standard window - 35-50 days from approval and deposit - with inspection to AQL 2.5 covering Delta E against the signed standard, fastness grades, and lot-to-lot consistency, and with colourways packed and labelled separately by lot so a retailer receiving a mixed order can identify a lot without opening cartons.

Our team has developed colour programmes on this base since 2014, and the pattern is consistent: the ranges that still look coherent in their third season are the ones that planned the tiers before they chose the shades.