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Bright green (#66FF00)

Bright green

Bright green

A neon, energetic green that commands attention, great for tech designs, futuristic visuals, and vibrant branding accents.

Color Name: Bright green
HEX: #66FF00
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Color Information

HEX
#66FF00
RGB
102, 255, 0
HSL
96°, 100%, 50%
HSV
96°, 100%, 100%
CMYK
60%, 0%, 100%, 0%
LAB
89.08, -74.43, 84.82
XYZ
41.24, 74.34, 12.18
xyY
0.32, 0.58, 74.34
LCH
89.08, 112.85, 131.27
Web Safe
#66FF00
RGB Percent
40%, 100%, 0%
Binary (RGB)
01100110 11111111 00000000

CSS Color Code (#66FF00)

CSS
.color-green {
  color: #66ff00;
}

.color-green-bg {
  background-color: #66ff00;
}

.color-green-border {
  border-color: #66ff00;
}

HTML Color Code (#66FF00)

Selected HEX
#66FF00
HTML
<div class="color-sample" style="background-color: #66ff00; padding: 15px; border-radius: 4px; color: #000;">
                  <span style="display: block; font-weight: bold;">Green</span>
                  <span style="display: block; font-family: monospace;">#66ff00</span>
                </div>

Contrast Ratio

Contrast ratio measures the difference in brightness between foreground and background colors.

  • AA (minimum): 4.5:1 for normal text, 3:1 for large text
  • AAA (enhanced): 7:1 for normal text, 4.5:1 for large text

Alternatives to Color (#66FF00)

Click any swatch to copy hex.

Color Schemes Color (#66FF00)

Complementary
Analogous
Split Complementary
Triadic
Tetradic
Monochromatic

Shades & Tints

Shades of Color (#66FF00) (Darker)

Tints of Color (#66FF00) (Lighter)

Color Blindness Simulator of Color (#66FF00)

Normal Vision
Simulated: #66FF00
Original color for comparison
Monochromacy
Simulated: #CCCCCC
Achromatopsia (no color vision)
Protanopia
Simulated: #A8AA3E
Red-blind (L-cones missing)
Deuteranopia
Simulated: #9F944D
Green-blind (M-cones missing)
Tritanopia
Simulated: #6E6E79
Blue-blind (S-cones missing)
Protanomaly
Simulated: #82CC20
Red-weak (L-cones defective)
Deuteranomaly
Simulated: #85D824
Green-weak (M-cones defective)
Tritanomaly
Simulated: #6BBB2F
Blue-weak (S-cones defective)
imgSome Question

Frequently Asked Questions

#66FF00. You can click any HEX on this page to copy it.

RGB is 102, 255, 0.

A neon, energetic green that commands attention, great for tech designs, futuristic visuals, and vibrant branding accents.

.color-green { color: #66ff00; } .color-green-bg { background-color: #66ff00; } .color-green-border { border-color: #66ff00; } You can copy CSS from the code box above.

Green #66ff00 A Copy button is provided next to the HTML code.

Bright green is listed as a shade of Shades of Green.

Bright green is categorized under “color”. Explore more at color.

Yes. Use the “Download PNG” button in the Visual color section to export a solid swatch. You can set custom width × height.

Yes. An image is shown on this page. Click it to copy the image URL.

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Explore All Color Code Formats

Quickly browse through various color code models — click below to view and copy swatch-ready color codes instantly.

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