If you mean a large trans-Neptunian object: dwarf planet 136199 Eris then you have made a mistake. The dwarf planet Eris is thought to be quite white.
turquoise
greenish blue Eris is green which is unlike any other planet an very unusual. Eris is also the largest known dwarf planet in the Solar System. It is approximately 2 500 kilometers in diameter and 27% more massive than Pluto. Since it is so far away it take Eris about 558 years to orbit around to Sun. Eris was first spotted in 2003 by a Palomar Observatory-based team led by Mike Brown.
The colour of the sea is greenish blue because of the reflection of the sky
Amber.
teal is a four letter word for a greenish blue color ^_^
Water appears greenish blue because its complimentary color red is absorbed by water molecules
greenish blue
Uranus is a greenish blue, and Neptune is blue.
greenish blue
Cyan.
it is blue purple and greenish.
Turquoise is a greenish-blue color that falls between blue and green on the color spectrum. It is often associated with tropical waters and gemstones.