Picture a north-facing sitting room in a Victorian terrace. The light is soft and grey for most of the day, the original cornicing is staying, and the shortlist includes a warm off-white, a muted green and a deep inky blue from a heritage paint range. On the colour card they all look lovely. On that particular wall, one will turn cold, one will go murky, and one might be exactly right.
A paint colour visualizer lets you test that on a photo of the actual room before you buy tester pots. It will not reproduce how paint behaves in real light, especially in rooms with strong orientation, but it can quickly show which shades clash with the floorboards, which feel too heavy for the space and which deserve a proper patch test.
One thing matters more for readers outside the US than most roundups admit: the colour library. Many visualizers are built around American brands, so it is worth knowing whether a tool includes the ranges you can actually buy, or whether you are working from approximations. The ten tools below are compared on that, plus own-photo support, separate surfaces, lighting options and saving. It is a feature comparison, not a laboratory test of colour accuracy.
How the 10 Tools Compare
| Tool | Good task fit | Key features | Worth knowing |
| Coloraw | Comparing heritage and mainstream shades across brands | Nine-brand web library incl. Farrow & Ball and Dulux, own-photo upload, lighting presets; app adds Color Capture and projects | Library leans towards North American brands |
| paintcolorvisualizer.com | Quick, no-account tests of a north-facing room | Own photo or sample scenes, separate surfaces, north-facing and evening presets, saved previews | Session-based; presets are illustrative |
| Paintuma | Working from a colour value when your brand isn’t listed | Brand and code search on the web; app adds Color Wheel with HEX/RGB, per-surface segmentation, projects | Custom HEX is a digital approximation |
| Dulux Visualizer | Dulux shoppers who want live AR on the wall | AR wall painting, colour picker, suggested schemes, tester ordering in supported markets | Separate regional versions |
| Resene EzyPaint | New Zealand and Australian homeowners using Resene | Virtual painting on own photos or gallery images, ColourMatch app | Resene colours only |
| Johnstone’s ColourBox | UK decorators and clients choosing Johnstone’s shades | Upload a photo, automatic surface masking, match colours from photos | Hosted on the Johnstone’s Trade site |
| Cloverdale Paint Colour Visualizer | Canadian homeowners near Cloverdale stores | Own-photo upload for interiors and exteriors, practical photo guidance | Regional brand |
| Crown Colour Visualiser | Designers and homeowners planning in Crown shades | Own photo or prepared rooms, several colours per room, compare, download, free A5 samples | On Crown’s professional site |
| Taubmans Coloursmith | Australians who want a custom colour from an object | Capture colour by camera, refine it, paint 3D rooms, order a test pot | Reader and Window accessories sold separately |
| Benjamin Moore Color Portfolio | Benjamin Moore customers in the US and Canada | Virtual fan deck, photo and AR video visualizers, Color Capture | ColorReader sold separately |
1. Coloraw
Coloraw is a sensible first stop for heritage-leaning schemes that mix brands. The free web tool on Coloraw needs no sign-up and covers nine brands, including Farrow & Ball and Dulux alongside Benjamin Moore, Sherwin-Williams, Behr and others. You can try a shade in a sample living room, bedroom, kitchen or exterior, or upload a photo of your own wall and let the tool find the paintable surfaces.
Two web features suit a grey-light room particularly well. The visualizer offers lighting settings for daylight, north-facing, warm LED and evening, which give a rough sense of how a shade’s character might shift, though they are illustrative rather than a reading of your room. And each colour page lists LRV, undertones and the closest matches in other brands, so you can rule out an off-white whose green undertone will fight the grey light before you ever order a sample.
The Coloraw iPhone and Android app adds Color Capture, which lets you aim the camera at a rug, a tile or a piece of fabric to see its HEX and RGB values and nearby brand colours, then carry that colour into the visualizer. App projects keep several schemes for the same room side by side with the original photo, listing each area’s brand, colour name and HEX value.
For UK readers, the practical condition is coverage: most of the library comes from brands sold mainly in North America, and it is worth checking which Dulux range is represented before relying on those shades. Cross-brand matches are candidates to sample, not identical formulas.
2. paintcolorvisualizer.com
When the question is simply “will this work in a dim room?”, a no-commitment browser tool is often the fastest route. At the time of writing, paintcolorvisualizer.com describes its visualizer as free in the browser with no account required and nothing to install, so you can photograph the sitting room and start testing in minutes.
You can use your own photo or start from built-in living room, bedroom, kitchen and exterior scenes. Walls, trim, cabinets and doors are selected separately, so painted skirting, a contrasting door or kitchen units can each hold their own colour. That matters in period rooms, where the relationship between wall colour and woodwork does a lot of the work.
The lighting presets are the reason it earns a place for this scenario. Switching to the north-facing or evening setting gives a quick, illustrative sense of how a warm off-white or a deep blue may read without direct sun. Once you have a few candidates, compare them side by side and save the previews.
Uploads are handled per session, so download what you want to keep before closing the tab, and treat the presets as a guide rather than a simulation of your particular window and aspect.
3. Paintuma
Paintuma is useful in a situation readers outside the US hit often: the paint you want is from a brand the visualizer does not list, but you can find its colour values. The browser-based Paintuma Paint Color Visualizer handles the standard workflow first, letting you start from an interior or exterior sample scene or your own photo, then search by colour name or code or browse by brand and colour family, and download previews once you have a shortlist.
The Paintuma mobile app extends that in ways that help with non-listed brands. Its Color Wheel combines RGB sliders, HEX input and a live swatch, so you can enter a published or captured value and preview an approximation on your wall. It then shows similar colours from the brands it does carry. A custom HEX value is a digital target rather than an orderable formula, so this is a way to judge direction, with the real tester pot still doing the deciding.
In the app’s AI Color Visualizer, you choose interior or exterior mode, and the photo is segmented so walls, ceilings and door frames can be coloured separately, which suits schemes where the ceiling is going a paler tint of the wall colour. Saved Colors keeps shades from the wheel, the picker and brand browsing in one place, and My Project stores several schemes for the same room with the colour used on each surface recorded.
The Color Wheel, segmentation and project features are app-based, and the brand library should be checked against the current version if a specific range matters to you.
4. Dulux Visualizer
For many readers in the UK and elsewhere, Dulux will be the most familiar brand here. The Dulux Visualizer app uses live augmented reality to show a colour on the wall as you move through the room, which helps with judging a shade across a whole space rather than one framed photo. It also includes a colour picker that finds the nearest Dulux colour to something around you, suggested coordinating schemes, and, in supported markets, the option to order testers.
Dulux publishes the app in regional versions, and the colour range and ordering options depend on your country, so download the version for where you live.
5. Resene EzyPaint
Resene is widely used in New Zealand and sold in Australia, and its free EzyPaint virtual painting tool lets you work on images from Resene’s gallery or on your own photos. For colour matching, Resene ColourMatch Online and the ColourMatch app match a colour from a photo to the nearest Resene paint and suggest complementary colours. Resene also offers a staff-run RenderRite rendering service for more detailed visualisations. Everything stays within Resene’s range.
6. Johnstone’s ColourBox
Johnstone’s ColourBox, available through the Johnstone’s Trade website, lets decorators and their customers upload a photo of the area to be decorated. The tool masks out surfaces automatically so you can try colours from the Johnstone’s palette. It can also match a colour from a photo, such as a cushion or rug, to the closest Johnstone’s shade. It is aimed at the trade, which makes it a handy shared reference if you are working with a decorator who uses Johnstone’s.
7. Cloverdale Paint Colour Visualizer
Canadian readers will find Cloverdale’s paint colour visualizer written in their own spelling and built around their regional brand. You upload a photo of an interior or exterior and preview Cloverdale colours on your space. The brand’s guidance is practical: bright natural light, a sharp image, and as few obstructions over the walls as possible. The limit is regional availability and a single-brand palette.
8. Crown Colour Visualiser
Crown’s Colour Visualiser sits on the Crown Paints Professional website and is aimed at designers and specifiers, though the workflow is straightforward for homeowners too. You can upload photographs of a space or choose from prepared rooms, apply any shade from the Crown collection, and use different colours on different wall areas with a compare-and-contrast view. It works on desktop, tablet or mobile, schemes can be downloaded, and A5 real paint samples can be ordered free of charge from the professional site.
9. Taubmans Coloursmith
Coloursmith, from Taubmans in Australia, takes the object-first idea further than most. The free app uses your phone camera to capture a colour from something you own, lets you refine it and explore complementary combinations, and saves your personalised colours to your account. Before ordering a 100ml test pot, you can digitally paint a selection of three-dimensional rooms. For closer matching, the Coloursmith Window card and Coloursmith Reader device are sold separately.
10. Benjamin Moore Color Portfolio
Benjamin Moore is sold widely in Canada as well as the US, which makes its Color Portfolio app relevant for Canadian readers in particular. The free app includes virtual fan decks, a photo visualizer where you mask surfaces, an AR video visualizer and Color Capture for finding Benjamin Moore equivalents to things you photograph. For precise matching of flat surfaces, it pairs with the separately sold ColorReader device.
Choosing by Where You’ll Buy Your Paint
If you shop across brands or are drawn to heritage ranges, start with a multi-brand tool such as Coloraw or Paintuma, and check which ranges each includes. If you will buy from one manufacturer, use that brand’s own tool: Dulux or Crown in the UK, Resene in New Zealand, Taubmans in Australia, Cloverdale or Benjamin Moore in Canada. If you just want a quick, free check of how a shade may feel in dim or evening light, paintcolorvisualizer.com is the lightest option.
Whichever you choose, photograph the room in soft daylight, straight on, with floors and woodwork in shot, and avoid filters that warm or cool the image.
FAQ
Can I use a visualizer for a brand it doesn’t include?
You can approximate one by entering a published HEX or RGB value in a tool that accepts custom colours, but screens and published values are only a guide. Treat the result as directional and confirm with the manufacturer’s own tester.
Why does a colour look different on screen than on my north-facing wall?
Cooler, indirect light, camera processing and screen settings all shift colour, and paint finish plays a part too. Paint a large patch or use a sample board, and look at it in the morning, afternoon and evening before committing.
The Short Version
Treat a visualizer as a way to cut a long list to two or three shades, then let tester pots on the real wall make the call. For cross-brand shortlists that include heritage colours, Coloraw is the most direct start. For a quick look at how a shade might feel in low light, try paintcolorvisualizer.com. When your chosen brand isn’t listed and you are working from colour values, Paintuma’s app gives you the most room to experiment. And if you already know where you’ll buy, your local brand’s own visualizer keeps the names and codes exactly as they appear on the tin.