What is the color combinations for decorating 2018?

Depends on what you are decorating - interior, exterior, what rooms?

If you gave a few more details, and posted a picture of your "before" area, then Hometalkers would be able to give you answers that are more specific to your situation.

Houzz.com always has photo's of the latest colors and decor

sherwin williams.... http://www.elledecor.com/design-decorate/color/a10011137/color-trends-2018/

house beautiful..... http://www.housebeautiful.com/room-decorating/colors/news/a9058/2018-color-of-the-year-predictions/

Pantone.... http://www.bykoket.com/news/interior-design/color-trends-2018-predictions-pantone

PPG ... http://www.mydomaine.com/paint-color-trends-2018

color of the year Black Flame

Hello -

Here are a couple of thoughts about the trending 2018 colors:

Pantone:

http://www.elledecor.com/design-decorate/color/amp9178549/pantone-colors-2018/

Sherwin Williams:

http://www.elledecor.com/design-decorate/color/amp10011137/color-trends-2018/

Lots from which to choose!

http://www.elledecor.com/design-decorate/color/a10011137/color-trends-2018/

http://www.elledecor.com/design-decorate/color/a9178549/pantone-colors-2018/

http://www.behr.com/consumer_ca/inspiration/2018-color-trends

https://www.dulux.com.au/colour/colour-trends/2018

http://www.housebeautiful.com/room-decorating/colors/news/a9058/2018-color-of-the-year-predictions/

Nice 2018 color palette from Behr easily viewed as a chart of 20 colors. Interesting combos like gray/brown, blue/gray/green, warm beiges, all very earthy and natural and BOLD. Check it out: http://www.behr.com/consumer/inspiration/2018-color-trends

https://www.pantone.com/fashion-color-trend-report-london-spring-2018

But the best color scheme is the one that makes you feel good about your home.