5 things you must know about colour capping before you start

If you want your home to speak volumes in the style stakes, it’s not always enough to pick a colour and paint the walls. One of the hottest décor trends for 2026 is colour capping. This involves a series of subtly different paint shades being applied to a room in a strategic way. Colour capping not only looks amazing, it can also make a room feel bigger than it is.

Like what you’re hearing? Here are 5 things you must know about colour capping before you start.

You’re going to be asked to paint the ‘5th wall’

Interior designers have started to refer to something called the ‘5th wall’. Usually rooms have four walls that we either paint or wallpaper but we’re being encouraged to get creative somewhere else too. The 5th wall is just a fancy way of saying the ceiling and when you colour cap, the ceiling is the most important surface that needs painting.

You’re going to have to choose multiple shades

Unlike colour drenching, when you pick just one colour and apply it everywhere, colour capping involves choosing multiple shades within one colour family. If you’re redecorating ahead of a sale or want a soothing end result, your starting point should be a neutral colour – ideally beige, cream, grey, green or blue. 

You’ll need three or four shades of the same colour, working your way from very pale to a mid shade. Don’t be tempted to start with a shade that’s too dark or make too big a jump up between shades. There should be a gradual shift between shades.

You’re going to have to let go of white paint

Colour capping is a smooth, seamless aesthetic: you don’t want any out-of-sync colours or clunky painting to break the spell. As such, you’ll need to drop the tried and trusted method of painting skirting boards, door frames, dado and picture rails, architraves and ceilings in white paint. Instead, these architectural features will need to blend in using the same shades you have chosen for the walls and ceilings.

You’re going to have to plan how you paint

Colour capping is a little like painting by numbers: you’ll need to be methodical and stay within the lines. Read the labels carefully and line up your different tins from palest to darkest. Only open one tin at a time, starting with the darkest shade, and work from top to bottom to avoid dripping paint on freshly-painted walls below. 

Apply the darkest shade to the ceiling and coving as that’s the colour cap that draws the eye upwards. Use the second darkest shade on the wall, taking it to either a picture or dado rail, if you have one, or the top of the skirting board. You should end up with the palest shade below any dado rail and/or on the skirting board.

You’ll need to make friends with masking tape

Creating distinctions between shades when painting is a precise job. Thankfully, decorating centres stock precision edge masking tape designed especially for projects like colour capping. Fancy going freehand? If you’re feeling confident, buy an angled cutting-in brush and take your time.

Moving to a new property is the perfect time to try out interior design trends. If you’re planning to swap your current home for somewhere bigger, with design potential, get in contact.