#66E59B Color Information

Hex color code: #66E59B

#66E59B is a bold green color. In RGB it is (102, 229, 155), and in HSL it is (145°, 71%, 65%). It is frequently seen in web interfaces.

Try:
Color NameMedium Aquamarine
HEX
#66E59B
RGB
102, 229, 155
HSL
145°, 71%, 65%
CMYK
55%, 0%, 32%, 10%

Shades

CSS Usage
color: #66E59B;
background-color: #66E59B;
border-color: #66E59B;
box-shadow: 0 0 10px #66E59B;
border: 2px solid #66E59B;
Tailwind Usage
bg-[#66E59B]
text-[#66E59B]
border-[#66E59B]
shadow-[0_0_10px_66E59B]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #66E59B, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #66E59B; color: #000000; }

Badge

New Feature
.badge { background-color: #66E59B; 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 #66E59B; background-color: #66E59B15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #66E59B20; border-left: 4px solid #66E59B; }

Link / Accent

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

a { color: #66E59B; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #66E59B in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 229, 155

Red: 102 / Green: 229 / Blue: 155

HSL

145°, 71%, 65%

Hue: 145° / Saturation: 71% / Lightness: 65%

CMYK

55%, 0%, 32%, 10%

Cyan: 55% / Magenta: 0% / Yellow: 32% / Key: 10%

What color is #66E59B?

#66E59B is a green hue associated with nature and harmony.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #66E59B to RGB:

rgb(102, 229, 155)HEX to RGB Converter →

HEX to HSL

Convert #66E59B to HSL:

hsl(145, 71%, 65%)RGB to HSL Converter →

HEX to CMYK

Convert #66E59B to CMYK:

cmyk(55%, 0%, 32%, 10%)Color Converter →

Color Meaning and Usage

A bold green tone, #66E59B has RGB (102, 229, 155) and HSL (145°, 71%, 65%). Known for evoking nature and harmony, this green hue is widely used in graphic design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #66E59B is #E566B0, creating high-contrast pairings. For softer combinations, try analogous colors like #71E566.

Use #66E59B in CSS: color: #66E59B or background-color: #66E59B. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #66E59B

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

Contrast Ratio: 13.25:1
WCAG AA: Pass
WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #66E59B?

#66E59B is a bold green color - a green hue that evokes nature and harmony.

What is the RGB value of #66E59B?

#66E59B in RGB is (102, 229, 155) - 102 red, 229 green, and 155 blue.

How to use #66E59B in CSS?

Use #66E59B directly in your CSS properties like color or background-color.

What colors go well with #66E59B?

#E566B0 (complementary), #71E566 (analogous), and #25DA70 (lighter shade) work well with #66E59B.