Colour/colours in Chinese is 颜色(yan’se)。Red in Chinese is 红色(hong’se)。Green in Chinese is 绿色(lü’se)。Yellow in Chinese is 黄色(huang’se)。These are the traffic lights colours.
Bonus: Traffic light/traffic lights in Chinese is 交通灯(jiao’tong’deng)。
Each word is going to be said once in English and five times in Chinese.