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August 19, 2025

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Choosing the right interior paint can feel overwhelming, but it doesn’t have to be. A colour expert shares her go-to process for picking shades that always work.

Expert banner for Rachel Lacy.

As the colour and concept lead at Haymes Paint, Rachel is responsible for developing and executing the company’s colour and design direction. Rachel has a background in paint manufacturing, patenting of cutting-edge paint products, and colour consultancy and forecasting. She has more than 30 years of experience in the design and interiors space, and her knowledge and expertise have seen her work across New Zealand, Europe, the US, and the UK.

Start with the light, not the colour

Living room with a green tinge.
Leafy outlooks can produce a green tinge. Image: Canva

Choosing the right paint colours for your home interiors doesn’t start with the colour at all.

Considering the light in the room you’re preparing to paint is a far better place to start than “what colour do I like” or “what’s on trend”.

The nature and quality of light in a room is a major factor in colour choice. Consider the aspect – north, south, east, or west. South-facing rooms often have a shadowiness, or a moody blue tinge, while a room looking out through trees may be tinged with blue-green.

Think about when the room is used most. What is the light like then? How does artificial light affect it? What type of artificial light? Incandescent light and flame are warm, adding a glow. Fluorescent light is cool and tinged with blue-green. Halogen light renders colour most accurately, but it can be very intense and may wash out your chosen hue.

Use colour to highlight favourite things

Bedroom with striking red walls.
Don’t be scared to use paint to complement your decor: Image: Instagram/haymespaint

Colour should also be used as a link (or glue) to accentuate and complement your favourite things, creating an atmosphere where you feel most comfortable.

Trick the eye with paint

Colour can be used cleverly to correct proportions.

For example, a long, narrow room can be made to feel more balanced by using a strong, warm colour on the far walls, bringing them visually closer.

Or, if you have a small room with a high ceiling and want it to feel more spacious, consider using colour on the ceiling. This will visually lower the ceiling and give the impression of the walls moving outwards.

Play it safe with muted shades

Bedroom with faded blue walls.
Muted shades like Faded Blue are soft on the eye. Image: Instagram/haymespaint

If unsure about colours, look to more muted colours.

Softer colours are easier to live with, and the task feels less daunting when you’re considering sage greens versus stronger, more chromatic colours. For example, instead of choosing an attention-grabbing green like Spruce, consider Green Tiara or the slightly greener Foam Forest instead.

Try colour drenching

Outdoor patio in a burnt orange paint.
Orange Lichen pops in this alfresco zone. Image: Haymes Paint

One way to simplify the process is to avoid bringing too many different colours into a room.

Colour drenching – where you paint walls, ceilings, and trim in the same colour – is a wonderful way to introduce colour without worrying about coordinating different coloured architectural elements.

A strong but warm colour like Orange Lichen is wonderful for colour drenching. Or, to create a dark, moody space, try Parched Earth (pictured top).

Keep it simple with monochrome

House interior using combinations of like shades.
Intuition and Quarry Stone are a perfect match. Image: Haymes Paint

Another approach is a monochromatic colour scheme, which uses different strengths of the same colour: full-strength on the walls, quarter-strength on the ceiling, and half-strength on trims and doors.

This method introduces colour but avoids the stress of trying to bring too many different colours together. It also adds interest and layering to the space, without the visual “noise” of multiple competing colours.

While we see this applied in varying shades of white, stronger neutrals such as Intuition for walls paired with the lighter Quarry Stone for trims is a simple, elegant colour palette.

Always test your colours

Paint sample pots.
Sample pots are your best friend when choosing interior colours. Image: Canva

Once you’ve considered each space and noted the light, you can experiment with your selected colours.

Sample pots are by far the best way to do this. Paint a small area of the wall that catches the light, then find a shadowed spot and paint a section there too. Watch how the colour changes across the day on sunny and cloudy days, and at night under artificial light.

If you have a couple of choices, try them both. Live with them for a few days and think about how they make you feel. If you trust your instincts and take your time, you will create a beautiful space.


Top image: Haymes Paint

What steps have you taken to choose interior paint colours? Leave us a comment below.

  • We went really brave and out there and did our house very black and white with shades of blue. Sort of romantic ski lodge… it was really nice for a while and we got lots of compliments but found it could be a little drab and depressing so we’ve gone back to light and bright

    Reply

  • When it comes to colours, I need an expert to help me. I tend to stick with safe choices like creams and whites.

    Reply

  • Painting the house is the most daunting of processes from choosing colours to preparation to painting. There are some great tips here for choosing colours. Starting with the light, not the colour is a good concept and makes sense. Are features walls still popular? I have a few feature walls in my house which were painted before we bought our house. They look nice but I don’t think I would’ve had the confidence to do it myself.

    Reply

  • Great way to options to approach paint choices, thank you. I love the outdoors area paint drenching. We have chosen a white and will add colour later to complement the light and the furniture, likely leaning into muted hues plus a couple of pops of colour to highlight. I have been trying to introduce a green colour to the bathroom but still have not been able to find one I like.

    Reply

  • I love a well chosen paint colour. I tend to always go for safe options like creams.

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  • Wow! This is such an interesting article. There’s so many ideas here that I would never have even thought of. Our home definitely needs repainting in the near future and ill certainly be taking these points into consideration when we pick the colours. Thank you for such an informative article. 🙂

    Reply

  • Take it from someone who knows – you are better off not painting the walls funky different colours as it will decrease the resale value of your home. People have different tastes and your buyer does not want to have to undo your work. I painted my old home and everyone said the same – should have left the walls white.

    Reply

  • Muted shades and monochrome are what I lean towards in interior paint. Its so easy for it to go with decor and harmonise with the entire house. Testing colours is the fun part, I love the process of picking patch samples, then small tubs to finally find what will fit perfectly

    Reply

  • My husband and I have opted for a moody eclectic theme throughout our home and have settled on colour drenching our main bedroom but still haven’t decided on which colour to choose. The featured Parched Earth is stunning and has been added to our shortlist. These are some great tips here also, thanks for sharing!

    Reply

  • Wow – just wow is all I can say. These paint colours are devine and so elegant. It really does show how important it is to ensure you pick the right paint for your home and the space you are waiting to paint. I love all the colours shown in this article, this is now making me want to paint mine.

    Reply

  • I absolutely love when i walk into display homes and see the beautiful moody colours that just give that bold personality to any room you walk into! It’s definitely hard to get right, especially when you have to consider lighting and how it affects furniture choices in the room too! But gosh theyre beautiful

    Reply

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