A speck of green in a myriad of flowers was a very common idiom. It could describe a tiny speck of green in a bustling scene, but it could also imply a small value or meaning.
A speck of green in a myriad of flowers
Idiom Pinyin:wàn fāng liān zhīyuè liè
The idiom explained that there was only a little bit of green in a bustling scene.
Although his position in the company is not high, his working ability is quite outstanding and he can give full play to his advantages in this position.