Acid green is a shade of yellow-green. Sources differ as to the exact color, but the one shown is representative.

Color coordinates
Hex triplet #B0BF1A
RGB (r, g, b) (176, 191, 26)
CMYK (c, m, y, k) (8, 0, 86, 25)
HSV (h, s, v) (65°, 86%, 75%)

Here are some additional variations:

Acid green (metallic shimmer)
Color coordinates
Hex triplet #91C82F
RGB (r, g, b) (145, 200, 47)
CMYK (c, m, y, k) (28, 0, 77, 22)
HSV (h, s, v) (82°, 77%, 78%)

Acid green (matte acrylic spray paint)
Color coordinates
Hex triplet #81BA49
RGB (r, g, b) (129, 186, 73)
CMYK (c, m, y, k) (31, 0, 61, 27)
HSV (h, s, v) (90°, 61%, 73%)
Source Montana Gold Spray Paint, Matte Acrylic Acid Green

Acid green (colord.com)
Color coordinates
Hex triplet #26D840
RGB (r, g, b) (38, 216, 64)
CMYK (c, m, y, k) (82, 0, 70, 15)
HSV (h, s, v) (129°, 82%, 85%)

Acid green (Marmalade fabrics)
Color coordinates
Hex triplet #839D50
RGB (r, g, b) (131, 157, 80)
CMYK (c, m, y, k) (17, 0, 49, 38)
HSV (h, s, v) (80°, 49%, 62%)

Acid green (HTMLColorCode.org)
olor coordinates
Hex triplet #8FFE09
RGB (r, g, b) (143, 254, 9)
CMYK (c, m, y, k) (44, 0, 96, 0)
HSV (h, s, v) (87°, 96%, 100%)

Source From Wikipedia