“出现颜色”可以翻译为“colors appear” 或者 “colors emerge” ,具体使用可根据语境来选择。例如:
As the sun sets, colors appear in the sky.(当太阳落山时,天空中出现色彩。)
After the rain, bright colors emerged in the garden.(雨后,花园里出现了鲜艳的色彩 。)