This species is identified easily by checking yellowish-green coloration with faint black bands/markings on upper surface which is not found in any other peninsular Indian Cat Snake of genus Boiga.Morphologically it is unique in looking by having yellowish-green dorsal body which is not found in any other Boiga of its distribution range.
Average length- 70cm.
Maximum length- 100cm.
Body thin, laterally flattened and covered with smooth scales. Dorsal color dull green or yellowish-green. Around 90 black bands found which are not easily countable. These bands are wider on vertebral region and converge towards the lateral side. Interscale color yellow.
Uniform yellowish-green or yellowish-white without any pattern.
Head triangular with rounded edges; clearly broader than neck. Color like rest of dorsal body; upper lip color whitish or yellowish. A black streak starts from posterior of eyes and cross the head on posterior side. Large greenish-yellow eyes have vertical pupil.
Typically like other Cat snakes with faint bands.