Here are two Brookfields in a lighter but still bright green color... that may be representative of Brookfield production ca. 1908? Both have bold embossing, left XO on dome, right a bold 4. The left one came from a power line built in about 1908 in California (along with other examples ranging from green-aqua to a more intense bright yellow green). The right one came from a building in Rock Falls, Ill. (unknown age of installation). I'm posting the CD 160 photo to show that these do come in this color "family". Hope this helps illustrate something useful!