Melbourne: The ICC is okay with the colour experiment as either pink or orange colour ball will be used for the day-night test matches.

Cricket Australia have concluded its experiments to find a suitable coloured ball for the day-night Tests and have now submitted its findings with the governing body for further research.

The ICC says pink and orange balls have emerged as the most likely options after testing in Australia, Pakistan and Abu Dhabi.

"The trials are aimed at determining the sighting qualities of the different coloured balls during day, twilight and night conditions as well as their colour retention ability," an ICC spokesman said.

"The tests are mostly positive with some reservations around batting in the twilight period. On the face of it, it appears to make little difference as to whether the ball is pink or orange," the official told a newspaper.

Mock telecasts were held to trial various colours.

"The viewers got the best deal with the orange ball. That was the one that had the greatest clarity in the living rooms," it was reported.

CA public affairs manager Peter said, “Test cricket's our premium format but we play at least 60 per cent of it when people are at work or at school. We're playing our premium format at a time when people can't watch it. So the big challenge so far has been to develop a cricket ball suitable for day and night.”

The ICC Cricket Committee, chaired by former West Indies captain Clive Lloyd, will be handed the latest test results in London next month.