#66E240 Color Information

Hex color code: #66E240

A vivid green shade, #66E240 appears as (102, 226, 64) in RGB and (106°, 74%, 57%) in HSL. It is commonly used in modern UI design.

Try:
Color NameYellow Green
HEX
#66E240
RGB
102, 226, 64
HSL
106°, 74%, 57%
CMYK
55%, 0%, 72%, 11%

Shades

CSS Usage
color: #66E240;
background-color: #66E240;
border-color: #66E240;
box-shadow: 0 0 10px #66E240;
border: 2px solid #66E240;
Tailwind Usage
bg-[#66E240]
text-[#66E240]
border-[#66E240]
shadow-[0_0_10px_66E240]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #66E240, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #66E240; color: #000000; }

Badge

New Feature
.badge { background-color: #66E240; color: #000000; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #66E240; background-color: #66E24015; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #66E24020; border-left: 4px solid #66E240; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #66E240; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #66E240 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 226, 64

Red: 102 / Green: 226 / Blue: 64

HSL

106°, 74%, 57%

Hue: 106° / Saturation: 74% / Lightness: 57%

CMYK

55%, 0%, 72%, 11%

Cyan: 55% / Magenta: 0% / Yellow: 72% / Key: 11%

What color is #66E240?

#66E240 is a green hue associated with nature and harmony.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #66E240 to RGB:

rgb(102, 226, 64)HEX to RGB Converter →

HEX to HSL

Convert #66E240 to HSL:

hsl(106, 74%, 57%)RGB to HSL Converter →

HEX to CMYK

Convert #66E240 to CMYK:

cmyk(55%, 0%, 72%, 11%)Color Converter →

Color Meaning and Usage

A vivid green tone, #66E240 has RGB (102, 226, 64) and HSL (106°, 74%, 57%). Known for evoking nature and harmony, this green hue is typically applied in digital products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66E240 is #BD40E2, creating high-contrast pairings. For softer combinations, try analogous colors like #B7E240.

Use #66E240 in CSS: color: #66E240 or background-color: #66E240. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #66E240

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 12.52:1
WCAG AA: Pass
WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66E240?

#66E240 is a vivid green color - a green hue that evokes nature and harmony.

What is the RGB value of #66E240?

#66E240 in RGB is (102, 226, 64) - 102 red, 226 green, and 64 blue.

How to use #66E240 in CSS?

Use #66E240 directly in your CSS properties like color or background-color.

What colors go well with #66E240?

#BD40E2 (complementary), #B7E240 (analogous), and #41BA1C (lighter shade) work well with #66E240.