Wikipedia
The color displayed at right, electric green ( X11/ HTML/CSS color lime) is the brightest possible pure green that can be represented in a 24-bit-per-pixel RGB color space. This pure green represents one of the three additive primaries, along with red and blue, is used in computer monitors, and is reproduced as a good approximation to a pure spectral green.
Usage examples of "electric green".
An hour later they crossed the Pecos River, putting the horses into the ford, the water swift and clear and partly salt running over the limestone bedrock and the horses studying the water before them and placing their feet with great care on the broad traprock plates and eyeing the shapes of trailing moss in the rips below the ford where they flared and twisted electric green in the morning light.
Kansuale was stocky, bald, and dressed in civilian clothes of dull blue with patches of electric green.
They both gasped in wonder as in a silent explosion the entire heavens flared into electric green.