How to Colour Code Boards Without Owning Six of Them

You do not need six of them. Colour code the two boards you already own by giving each one a fixed job and a visible marker, and you get the whole benefit of the professional scheme without owning a commercial rack. The line that carries the risk is raw animal protein against everything eaten without cooking, and that is one boundary, not six.

Restaurant kitchens run six colours because a supervisor has to read a line of ten cooks from across the room. At home the audit is you, at 7pm, with wet hands.

What do the six cutting board colours actually mean?

Each colour stands for one job, and the assignments barely vary from kitchen to kitchen. The scheme set out on the cutting board reference runs blue for raw seafood, red for raw meat, green for salads and fruit, yellow for cooked meat, brown for root vegetables, and white for dairy and bakery, with white doubling as the universal spare.

Six colours exist to make a mistake visible at a distance. A chef walking a pass can see a red board under a lettuce and stop it in two seconds, which is a supervision tool rather than a food-science one. Nothing in the plastic kills bacteria; the colour is a label.

Home guidance says the same thing in plainer words. Maine Cooperative Extension asks for distinct boards for raw animal products and ready-to-eat foods, then adds that a colour-coding system may simply make that separation easier to remember, which puts the requirement on the separation and not on the paint.

The Houseland steel board carries no colour at all, and its product page answers the question by material instead: keep it for raw protein and carving, and keep a wood board for high-volume vegetable chopping. That is a two-board split written as a purchase recommendation, and it is the same split the six colours collapse into.

How do you colour code boards without owning six of them?

Give two boards two jobs, then mark them so the job is obvious before you pick one up. This is the order I would set it up in.

1. Sort your prep into two piles, not six. Raw meat, poultry and fish go on one board; produce, bread, cheese and anything cooked go on the other. Every other distinction in the six-colour scheme is a refinement of that one cut.
2. Code by material before you code by colour. Steel or plastic takes the raw protein, wood or bamboo takes the produce. Houseland's board is 304 food-grade stainless steel, uncoated, non-porous and dishwasher safe on both sizes, which is why the raw pile belongs on it rather than on the wood.
3. Tag the edge if both boards look alike. A band of coloured vinyl tape wrapped around one short edge, a paint-pen dot in a corner, a coloured silicone corner grip or a coloured loop of cord through the hanging hole all read instantly. Keep the marker off the cutting face, where a knife will shave it into the food.
4. Code by time as well as by colour. Work in risk order within a meal: salad, bread and anything ready to eat first, raw chicken last, so one board can carry the whole session and the risky job is the one that ends it.
5. Wash and sanitise before you ever reverse that order. Hot soapy water, then a sanitiser: half a teaspoon of unscented liquid chlorine bleach per quart of water gives roughly 50 to 200 ppm of available chlorine with a minute of contact, per Maine Extension, and the USDA ratio of one tablespoon per gallon is the same idea at 1 part in 256.
6. Borrow a colour you do not own with a flexible mat. Thin plastic prep mats sell in coloured sets, weigh almost nothing and lie flat on top of a board, so the odd job that needs its own surface gets one without another slab in the cupboard.
7. Retire a board once the cuts stop washing out. Extension guidance is to replace boards with deep grooves, cracks or heavy wear, because a knife score that will not clean is a place the colour on the outside cannot help with.
8. Store the two boards apart. Different slot, different orientation, different shelf. Half of what a colour buys you is that you reach without looking, and storage does that job for free.

From the shop

Stainless Steel Cutting Board, 304 Food-Grade, Double-Sided with Juice Groove

304 food-grade stainless steel, uncoated and non-porous, with a juice groove around one face for carving and a flat face for prep. Dishwasher safe in both sizes, with no oiling, seasoning or soaking at any point.

View the 304 stainless steel board — 2 sizes & current price

Which jobs actually have to be kept apart?

Raw animal protein and anything that will be eaten without cooking. That single boundary is the one with measured evidence behind it, and the rest of the colour chart is housekeeping.

A 2026 study in Frontiers in Microbiology sampled the chicken meat value chain at 941 points, 519 at retailers, 242 in restaurants and 180 in consumer households, then modelled which habits tracked with contamination. Using separate cutting boards and knives for raw meat and vegetables came out strongly protective in households, at an odds ratio of 0.067 with a 95 percent confidence interval of 0.017 to 0.262, and 0.079 in the adjusted model. The same habit measured 0.153 at restaurant level, so the effect holds in kitchens running the full six-colour system and in kitchens running two boards.

Read what that habit was: separate boards for raw meat and vegetables. Not six colours, not a rack, not a labelling scheme. The intervention that moved the number is the one you can do with the two boards in your cupboard tonight, and the practical detail is what happens between the chicken and the salad, which we worked through in washing a steel board between raw chicken and salad.

Flavour follows the same line as safety. Garlic, onion and fish carry into a porous surface and come back out in the next thing you cut on it, which is a second argument for keeping the produce board out of the raw rotation and a problem in its own right once it starts, as in getting the onion smell out of a board.

Six coloured boards vs two boards: what changes?

Only the labelling changes; the sequence of work does the rest. Here is where each commercial colour lands when you own two boards instead of six.

Five of the six colours collapse onto one board, and the sixth is the raw pile that needed separating in the first place. Commercial kitchens split them further because volume, staff turnover and inspection all demand it, which is also why their boards are chosen for washability over knife feel, a trade we picked apart in why restaurants do not use metal boards.

Do the two faces of one board count as two boards?

No, and treating them as two is the most common way this goes wrong. You set a board down on the face you are not using, you slide it across the counter, and your hands touch both edges to lift it, so the two faces travel as one object with one contamination history.

Two faces earn their keep in a different way: as two shapes for two kinds of work inside the same risk class. On the Houseland board the grooved face has a channel running the full perimeter for carving and resting meat, and the reverse face is completely flat for chopping, rolling dough or serving. Medium is 12 x 8 in (30.5 x 20.3 cm) and Large is 15.4 x 11 in (39 x 28 cm), so the flat face is the whole board rather than a strip inside the groove.

Between risk classes the answer is a wash, not a flip. Hot soapy water, a sanitiser, then air drying standing on edge or in a rack, which is what extension guidance asks for. A deep sanitation soak of half a tablespoon of bleach per gallon lands near 100 ppm and should not run past 2 minutes, and 3 percent hydrogen peroxide followed by a rinse is the other option on that sheet.

Chlorine is the wrong routine for a metal board specifically. A full dishwasher cycle sanitises it without leaving a chloride solution sitting on the surface, and the reasons that matters are in what a bleach soak does to a stainless board.

What I'd do

Buy nothing, and give the two boards you own one rule each. Wood is produce and bread, metal or plastic is raw protein, and a strip of coloured tape on one short edge settles any argument at speed.

Then work in risk order, so the raw job is the last one before the wash. That single habit is what the odds ratio of 0.067 was measuring in households, and it costs nothing but the order you do things in.

Add a third board only when two people are prepping at once, because that is when sequencing breaks and colour is the only thing left holding the line. Houseland keeps the metal half of that pair in the cutting boards collection, in a Medium and a Large, both dishwasher safe, both a single stamped piece with a juice groove on one face. If the cupboard is the real constraint here, the same logic runs through everything else on the counter, and we set it out in the kitchen tools worth owning in a small apartment.

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