Noun: cobalt blue kow-bolt bloo
- A shade of blue tinged with green
"The tropical waters were a stunning cobalt blue";
- greenish blue, aqua, aquamarine, turquoise, peacock blue
- Greenish-blue pigment consisting essentially of cobalt oxide and alumina
"cobalt blue is prized by artists for its intense blue colour";
- cobalt ultramarine
Derived forms: cobalt blues
Type of: blue, blueness, pigment
Encyclopedia: Cobalt blue