Ecstatic Dutch supporters spilled onto the streets on Friday, singing, dancing and waving orange flags to celebrate their team's World Cup quarter-final victory over Brazil.

Egging on their team in the dying minutes of the match with chants of "Holland, Holland", fans clustered in restaurants and bars in The Hague jumped with joy as the final whistle blew.

The streets of the city were coloured orange by men, women and children donning shirts, wigs, hats and boas in the colour of the Oranje Elftal (Orange Eleven) and blowing noisily on vuvuzelas as they revelled in their 2-1 win.

"I am so happy," enthused Mario Wensink, a 32-year-old government official, in between jumping up and down and slapping his friends on the back with joy as confetti sprinkled down on them.

"It was stressful. I thought we had a 50/50 chance - with Brazil you never know," said Wensink, one of hundreds who had gathered on Het Plein (The Square) in The Hague.

After the final whistle blew, loud speakers started pumping out popular music as car hooters blared down the streets.

Donning a bright orange wig, 39-year-old stewardess Linda Gasseling told AFP she had not expected such a convincing score.

"I thought it would end 1-1 and the match would be decided with penalties. This score is better than any of us expected," she said.

"We will become the world champions," 24-year-old fireman Danny Michel predicted, wearing an orange bow tie and taking a brief break from blowing a big, orange vuvuzela.

Dejected Brazilian fans could be seen ambling down the streets with their shoulders sagging amid the Dutch cacophony.

The match was watched countrywide on mega screens erected on city squares as municipal authorities distributed caps and water to fans gathered in temperatures upward from 30 degrees Celsius.

Entire homes were covered with large orange sheets and many a street is lined with small orange flags clattering in the wind.

One poll said that as much as 61 per cent of Dutch workers had taken time off to watch Friday's match, while an economic advice bureau said employee absenteeism cost the economy more than 100 million euros ($A149.36 million) every day the Dutch national team played.

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