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houssaon Like both the red, which is stunning against the green fields and the grey.

Anne Gibney Definitely red!

kylieny I would do the grey it lends more to the slight modern vibe with railing and under deck panels. It also blends better with the surroundings and the hot weather/intense sunlight that promotes colour in Aus. Alternatively a blue/grey would be nice to. Save a pop of colour for the door perhaps.

ksundar It depends on how you are marketing it, and what the inside is like. Is it a restful retreat, or a fun playful house? If you are listing it on a site like VBRO, the red would certainly catch the eye when scrolling through.

Fenella Copplestone Defo grey§ Red is too fire engine!

Eline S Ransom design LC Chocolate brown..

fleurleslie another angle.

??? pale grey

fleurleslie ooop this is the photo of other angle

fleurleslie i am thinking pale grey now ?????????????????????

victorianbungalowranch I think a more brick red or orange red would be OK, not fire engine. It has a modern feel, so maybe you could color block it. Not crazy about the dark grey--maybe a bit lighter and a section of brighter color, like tangerine or chartreuse or aqua.

fleurleslie I think lighter grey to go with the weathered look of the back of the house.

What is chartreuse ??

victorianbungalowranch Chartreuse is a sort of yellow green that was popular in the 50s-60s, at least in the US, and has been revived along with tangerine and aqua as an exterior accent color for mid-century and contemporary homes, especially paired with gray. You can see it when you look up door colors on Houzz.

Red is associated with barns and has waned in popularity as a house color here, although I think they can be quite pretty.

Ideabook: Front and Center Color: When to Paint Your Door Green
Ideabook: 5 Bright Palettes for Front Doors (see other bright colors)

Here is an interesting blog about color. She lives in Vancouver, so what works there (appears to have cool flat light in many of her photos) may be quite different from what would work for you because the quality of light is different.

http://www.mariakillam.com/2009/04/5-steps-to-choosing-the-right-exterior-colours.html

If you are going lighter gray, there is a whole range of accent color you can choose from, depending on how bold you want to be, and the type of gray you choose--gray is a color that can have many different undertones. I personally like a bright color paired with a range of neutrals, and a bit of undertone to the grey, to give it interest. The blog above has a lot of advice about color undertones and accent colors, and light has everything to do with perception of color as well.

I would also consider whether you want the house to stand out or blend with the landscape from a distance. What looks good up close may not look that great from a distance, and vice versa. Color visualizers on exteriors have limitations, and with home software it is best to add color in layers to get something realistic looking.

Generally whatever you pick will look totally different on the chip than on the house.