Jade-green and a silver like sage: mixed
The sea off Hong Kong would have the desired color. Jade or sage too. But neither the one nor the others are suitable to easily paint a wall.
For the sake of simplicity we stick to our proven pigments, and we take Verona green earth and talcum powder to get the wanted silver-white-green paint. Then we jaust have to apply it gently and the painting Talco is done. Ecco.