#66ff11 - Poisoning Green color

This vibrant lime-green hue feels electric and zesty, like freshly cut grass under bright sunlight. Intensely saturated and almost neon in presence, it commands attention as an energetic accent that conveys youthfulness, vitality, and modernity. It reads as both organic and synthetic—suggesting eco-friendly themes or tech-forward branding. Best used sparingly against deep charcoal, navy, or muted purple to maximize contrast; on pale backgrounds it can overwhelm and reduce legibility, so careful pairing is essential.

color #66ff11

#66ff11 color RGB value is 102, 255, 17, and the CMYK value is 0.600, 0.00, 0.933, 0.00. Alternative names for that color are: poisoning green, yellow, lawngreen, bright green, electric lime.

Color Conversion

Name
Values
CSS
RGB(0-255)
102, 255, 17
rgb(102, 255, 17)
CMYK
0.600, 0.00, 0.933, 0.00
-
sRGB
0.400, 1.00, 0.0667
rgb(40% 100% 6.67%)
Adobe® 98 RGB compatible
0.644, 1.00, 0.248
color(a98-rgb 0.644 1 0.248)
HCT
139, 101, 89.1
color(--hct 139 69.5% 89.1%)
HSL
98.6, 100, 53.3
hsl(98.6 100% 53.3%)
HSV
98.6, 93.3, 100
color(--hsv 98.6 93.3% 100%)
HWB
98.6, 6.67, 0.00
hwb(98.6 6.67% 0%)
Lab
89.2, -67.6, 81.5
lab(89.2 -67.6 81.5)
P3
0.572, 0.987, 0.313
color(display-p3 0.572 0.987 0.313)
XYZ D50
0.444, 0.747, 0.103
color(xyz-d50 0.444 0.747 0.103)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#66ff11
RGB:102 255 17
HSL:98.57deg 100% 53.33%
HEX:#aa11ff
RGB:170 17 255
HSL:278.57deg 100% 53.33%

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