Checklists · Interior design
Interior Colour Decision Preparation Checklist
Helps an owner make colour decisions that survive contact with their own rooms, by observing light through the day, working around fixed materials and testing samples in the conditions the room is actually used in.
7 sections · 42 planning prompts · educational owner-side preparation
https://www.builddesignhub.com/checklists/interior-design-preparation/interior-colour-decision-preparation · Build Design Hub — educational planning resource. Requirements vary by project and location.
Scope
What this checklist covers
The preparation ground these prompts walk through.
- How light and aspect change the way a colour reads in a room
- Working around colours already fixed by floors, stone, tiles and timber
- Sampling methods that avoid the most common misjudgements
- Deciding where one colour stops and the next begins
- Recording colour choices so they can be repeated later
Audience
Who this checklist is for
- Owners choosing wall and woodwork colours for their own home
- Households repainting around flooring or worktops they are keeping
- Owners preparing colour questions for a designer or supplier
- People who have chosen a colour before and been disappointed by it
Timing
When to use it
- Preparing colour decisions room by room before anything is ordered
- Owners working around fixed materials they cannot or will not change
- Testing samples methodically rather than choosing from a small card
- Households that need to agree colour across rooms seen together
- Recording chosen colours in a form that survives for later repairs
Limits
When it is not sufficient
This is general planning preparation. These situations need a qualified professional, and often the relevant authority.
- Selecting a specific coating for a specific surface, which should be confirmed with the manufacturer or a suitably qualified installer
- Deciding what preparation a wall, ceiling or joinery surface needs before finishing
- Diagnosing staining, patching or discolouration, which may indicate a fault needing professional assessment
- Determining what finishes are permissible in a property subject to conservation or estate rules
The checklist
Work through the sections
Tick the boxes on paper or on screen — nothing is stored, so print the page if you want to keep your marks.
1.Reading the light in each room
The same colour behaves differently in every room and at every hour. Observation over several visits is worth more than any amount of theory.
Note which direction each room faces and how the light in it changes between morning, afternoon and evening.
A room that only gets direct light late in the day will show a colour quite differently from one lit from first light.
Look at the room on a bright day and on a dull one before judging any colour, since the same paint reads as two different colours in those conditions.
Choosing on a single bright afternoon is a common way for people to end up disappointed by a wall colour.
Note what sits directly outside the window, since a green garden, a red brick wall or a pale rendered surface each tint the light entering the room.
Reflected colour from outside is invisible until a sample is on the wall, and it is strongest in summer when foliage is full.
Record which lamps and fittings are actually used in the evening, and whether their light appears warm or cold to your eye.
Rooms used mainly after dark should be judged under the light they will be seen in, not under daylight.
Note where a room is lit from one side only, because colour on the far wall will not look like colour on the wall beside the window.
This difference is often mistaken for a fault in the paint rather than a property of the room.
Say whether the room is used mostly in daylight or after dark, because that decides which condition the colour really has to suit.
A colour can rarely be judged perfect in both conditions, so knowing which one matters more is a genuine decision.
2.Colours already fixed in the room
Most colour decisions are actually constrained decisions. List everything that is staying before you look at a single sample.
List every colour in the room that is not changing, including flooring, worktops, stone, tiles, timber, door furniture and window frames.
The unchanging elements set the palette far more than the wall colour does, and they are often overlooked entirely.
Note the undertone of each fixed element as warm, cool or neutral to your eye, and mark clearly where you are unsure.
Clashes between undertones cause more disappointment than clashes between colours, and they are harder to see in isolation.
Photograph the fixed elements together in daylight, since they are rarely seen side by side until everything has already been chosen.
Flooring, worktop and tile samples viewed separately in different rooms give a misleading impression of how they will sit together.
Record which fixed element would be hardest to change, because the scheme will generally have to work around that one.
Identifying the immovable element early stops a colour being chosen that only works if something you have no intention of changing moves.
Note any fixed element you dislike, and decide before choosing colour whether it stays, is covered or is replaced.
Choosing a wall colour to disguise something you intend to replace anyway wastes the whole decision.
Say whether window frames, radiators, skirtings and architraves are staying as they are or being finished afresh.
Existing trim colour is frequently assumed to be neutral when it is quietly dictating the whole room.
3.Testing samples in the room itself
Sampling badly is worse than not sampling at all, because it produces confident decisions based on misleading evidence.
Apply samples to a removable board rather than directly onto the wall, so each one can be moved around the room and between rooms.
A patch painted in one position tells you about that position only, and patches on a wall also complicate the finished result.
View each sample against a white card so the existing wall colour around it is not distorting your reading of it.
Colour is judged relative to what surrounds it, which is why samples look different once the old colour has gone.
Look at each sample on more than one wall of the room, including the wall opposite the window and any wall in shadow.
The wall furthest from the light is where a colour most often turns out to be heavier than expected.
Check each sample in the evening under the lighting you actually use, not only in daylight and not only under a work lamp.
Artificial light shifts colour noticeably, and rooms used mainly at night should be judged then.
Build the sample up enough to represent the finished appearance and allow it to dry fully before making any judgement.
Thin or wet samples read differently, and many finishes change as they cure.
Ask the supplier what preparation the surface would need for the finish you are considering, rather than assuming any coating suits any wall.
Preparation requirements differ substantially between surfaces and between products.
Suitability of a coating for a particular surface, and the preparation it requires, should be confirmed with the manufacturer or a suitably qualified installer.
4.Sheen, finish and how the surface behaves
Two walls in the same colour can look entirely different depending on how much light the surface returns. Finish is a decision in its own right.
Decide, room by room, where you want light absorbed and where you want it returned, before choosing any level of sheen.
This decision affects how large and how calm a room feels more than the colour itself does.
Note which surfaces are touched, scrubbed or knocked regularly, and ask the supplier what finish they state for those conditions.
Hallways, stairs and areas around handles take far more contact than the rest of a room.
Claims about washability and durability vary between products; ask the manufacturer or supplier what they state for your intended use rather than relying on a general rule.
Look closely at how flat your walls actually are, since a reflective finish reveals every undulation that a flat finish conceals.
In older homes this single observation often decides the finish before any preference is expressed.
What can be done to improve a wall surface, and the preparation that involves, is a question for a suitably qualified professional rather than a finish choice.
Record whether woodwork is intended to match the walls, contrast with them or disappear quietly against them.
Leaving this undecided is how a room ends up with strong white trim nobody chose.
Note whether ceilings are being treated separately, and flag any ceiling that is sloped, lower than the rest or interrupted by a beam.
Sloping and dropped ceilings catch light differently and rarely suit the same treatment as a flat one.
Ask what difference in cleaning routine there would be between the finishes you are considering, and who would be doing it.
A finish that needs particular care only survives if the person who cleans it has agreed to that care.
5.Where one colour stops and another starts
Colour decisions fail most often at edges. Decide the physical line where each colour ends before you decide the colour itself.
Decide where each colour stops by naming the physical edge, such as an internal corner, a door lining or the underside of a cornice.
Edges chosen on site in a hurry rarely land where anyone would have chosen them with time to think.
Note which rooms are seen through an open doorway from another room, and check those two colours side by side.
Colours that are fine alone can be uncomfortable when they are always seen in the same glance.
Record how the hall relates to every room that opens off it, since it borrows colour from all of them at once.
The hall is the hardest colour decision in most homes and is usually made last and fastest.
Note where a colour change would land in the middle of an uninterrupted wall, and decide whether that is acceptable or needs rethinking.
Open-plan spaces frequently have no natural edge, which is a design decision rather than an oversight.
Say whether each door is to read with the wall it sits in or with the room it opens into, because it cannot do both.
Doors between differently coloured rooms need this decided face by face.
Check what happens at the stair, where two levels meet and the light usually changes markedly between them.
Stairs are where a whole-house colour decision most often falls apart in practice.
6.Colour against what you already own
A wall colour is only ever seen behind furniture, textiles and pictures. Test it against the things that will actually be in front of it.
Gather the textiles, rugs and upholstery that are staying, and view them together in the light of the room they will live in.
Fabrics chosen in a shop and walls chosen at home is a combination that regularly surprises people.
Note the artwork that will hang in the room and decide whether the wall colour is meant to support it or hold its own against it.
A wall colour chosen without reference to the pictures on it can quietly ruin both.
Record which existing pieces you dislike but cannot replace, since the colour has to work alongside them regardless.
Pretending an unwanted piece will somehow disappear is a common self-deception in colour planning.
Note the colour of anything large and unavoidable in the room, such as a television, an instrument or a run of appliances.
A large dark rectangle is part of the palette whether or not anyone chose it to be.
Consider how a colour reads on skin in rooms with mirrors, because a colour that flatters a wall does not always flatter a face.
This matters most in bathrooms, dressing areas and anywhere people get ready to go out.
Note which pieces are moving in from another room, since a colour that worked around them there may not survive the move.
Furniture carries its own colour relationships with it, and they are rarely re-examined when it relocates.
7.Recording colour choices so they survive
Colour decisions have to be repeatable long after everyone has forgotten them. What you write down now determines how easy a repair will be.
Write down the full name and reference of every colour chosen along with its finish, and keep them all in one place.
A colour name alone is not enough, because similar names exist across different ranges and finishes.
Record which surface each colour is for, since colour names become detached from their purpose remarkably quickly once a list is passed on.
The person doing the work will otherwise have to guess which colour was meant for the ceiling.
Note which range or system each colour comes from, because a similar name in another range will not be the same colour.
This is a common reason a later repair fails to blend with the wall surrounding it.
Keep a labelled painted sample of each chosen colour, so a later repair can be compared against something physical.
A physical sample usually outlasts a written note and can settle disagreements that a reference number cannot.
Ask who is responsible for ordering the coatings and who checks that what arrives is what was chosen.
Substitutions happen quietly, and by the time they are noticed a wall is already finished.
Note any colour decision that is still provisional, and say exactly what has to happen before it can be treated as settled.
Provisional decisions that look final are ordered by someone acting in good faith.
Where a colour depends on a surface that is not yet prepared or a fitting not yet chosen, confirm with the installer or supplier before quantities are ordered.
Preparation
Documents and information to gather
Having these to hand usually makes the first conversation shorter and more useful.
- Photographs of each room taken in morning, afternoon and evening light
- Samples or photographs of every fixed material that is staying in the room
- A written list of the lamps and fittings actually used in each room after dark
- Any existing paperwork recording colours used previously in the house
- Photographs of the textiles, rugs and artwork that will remain in each room
- Supplier information on preparation and finish options you are considering
Records
Decisions to record before work begins
Write these down in your own words, with the date, so everyone is working from the same version.
- Which light condition each room's colour is being chosen to suit
- Which fixed materials the colour scheme must work around and which are being replaced
- The level of sheen chosen for walls, ceilings and woodwork in each room
- The exact physical edge where each colour stops
- Whether doors read with the wall they sit in or the room they open into
- The full name, range and finish of every colour, mapped to a specific surface
Professional review
Questions to discuss with qualified professionals
Bring these to the relevant qualified professional, supplier or authority. Requirements vary by project and location.
- What preparation would this surface need before the finish I am considering?
- What do you state about durability and cleaning for the finish I am looking at?
- How would this colour be affected by the light coming into this particular room?
- Which of my fixed materials would you expect to cause difficulty with this palette?
- Where would you put the edge between these two colours in this space?
- What should I record now so that a repair can be carried out properly later?
- Is there anything about this wall surface that should be looked at before finishing?
- Who takes responsibility if what is delivered does not match what was chosen?
Blind spots
Commonly overlooked items
- Reflected colour from a garden, a brick wall or a neighbouring building
- The undertone of flooring or stone that is staying, which sets the palette
- The hall, which borrows colour from every room opening off it
- Existing woodwork and radiator colour, assumed to be neutral when it is not
- Keeping a physical sample so that later repairs can be compared against it
- Which surface each recorded colour was actually intended for
What this checklist does not do
- This checklist prepares colour decisions; it does not specify coatings or state what is suitable for any particular surface.
- Where a wall shows staining, patching or discolouration, ask a qualified professional about the cause before covering it.
- Product claims about washability, coverage and durability differ; take those questions to the manufacturer or supplier rather than assuming a general rule.
- In properties subject to conservation or estate rules, confirm locally what applies to visible finishes before choosing anything.
More preparation
Related checklists
Inspiration
Related Ideas Library pages
Design directions to explore once the preparation is done.
Go deeper
Related Build Design Hub guides
Explanatory planning guidance behind the decisions on this page.
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