The phrase "coloured glass" refers to glass that has been treated or made in different colors. It means that the glass is not clear or transparent, but rather has hues or tints, making it more interesting and visually appealing. Full definition
She's a big fan of coloured glass and pretty bottles and uses them around her apartment to give it character. (idealhome.co.uk)
It's a challenge to have a blunt discussion with joint venture partners on how to end the venture when the beginning of the joint venture is always through rose coloured glasses. (lawyer-monthly.com)
Last but not the least, I have been obsessed with coloured glasses these days and if you are a regular follower, you already know that. (planetbeauties.com)