#129BA5 Color Information

Hex color code: #129BA5

A eye-catching cyan shade, #129BA5 appears as (18, 155, 165) in RGB and (184°, 80%, 36%) in HSL. It is popular in mobile app design.

Try:
Color NameLight Sea Green
HEX
#129BA5
RGB
18, 155, 165
HSL
184°, 80%, 36%
CMYK
89%, 6%, 0%, 35%

Shades

CSS Usage
color: #129BA5;
background-color: #129BA5;
border-color: #129BA5;
box-shadow: 0 0 10px #129BA5;
border: 2px solid #129BA5;
Tailwind Usage
bg-[#129BA5]
text-[#129BA5]
border-[#129BA5]
shadow-[0_0_10px_129BA5]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #129BA5, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #129BA5; color: #000000; }

Badge

New Feature
.badge { background-color: #129BA5; 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 #129BA5; background-color: #129BA515; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #129BA520; border-left: 4px solid #129BA5; }

Link / Accent

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

a { color: #129BA5; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #129BA5 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

18, 155, 165

Red: 18 / Green: 155 / Blue: 165

HSL

184°, 80%, 36%

Hue: 184° / Saturation: 80% / Lightness: 36%

CMYK

89%, 6%, 0%, 35%

Cyan: 89% / Magenta: 6% / Yellow: 0% / Key: 35%

What color is #129BA5?

#129BA5 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #129BA5 to RGB:

rgb(18, 155, 165)HEX to RGB Converter →

HEX to HSL

Convert #129BA5 to HSL:

hsl(184, 80%, 36%)RGB to HSL Converter →

HEX to CMYK

Convert #129BA5 to CMYK:

cmyk(89%, 6%, 0%, 35%)Color Converter →

Color Meaning and Usage

#129BA5 is a dynamic cyan color with RGB values of 18, 155, 165 and HSL of 184°, 80%, 36%. This cyan-blue hue evokes trust and professionalism, making it suitable for well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #129BA5 is #A51C12, creating high-contrast pairings. For softer combinations, try analogous colors like #12A566.

Use #129BA5 in CSS: color: #129BA5 or background-color: #129BA5. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #129BA5

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

Contrast Ratio: 6.26:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #129BA5?

#129BA5 is a dynamic cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #129BA5?

#129BA5 in RGB is (18, 155, 165) - 18 red, 155 green, and 165 blue.

How to use #129BA5 in CSS?

Use #129BA5 directly in your CSS properties like color or background-color.

What colors go well with #129BA5?

#A51C12 (complementary), #12A566 (analogous), and #0B5B60 (lighter shade) work well with #129BA5.