#129FB5 Color Information

Hex color code: #129FB5

#129FB5 is a vivid cyan color. In RGB it is (18, 159, 181), and in HSL it is (188°, 82%, 39%). It is commonly used in modern UI design.

Try:

Color NameLight Sea Green

HEX

#129FB5

RGB

18, 159, 181

HSL

188°, 82%, 39%

CMYK

90%, 12%, 0%, 29%

Shades

CSS Usage

color: #129FB5;
background-color: #129FB5;
border-color: #129FB5;
box-shadow: 0 0 10px #129FB5;
border: 2px solid #129FB5;

Tailwind Usage

bg-[#129FB5]
text-[#129FB5]
border-[#129FB5]
shadow-[0_0_10px_129FB5]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #129FB5, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #129FB5; color: #000000; }

Badge

New Feature

.badge { background-color: #129FB5; 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 #129FB5; background-color: #129FB515; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #129FB520; border-left: 4px solid #129FB5; }

Link / Accent

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

a { color: #129FB5; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #129FB5 in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

18, 159, 181

Red: 18 / Green: 159 / Blue: 181

HSL

188°, 82%, 39%

Hue: 188° / Saturation: 82% / Lightness: 39%

CMYK

90%, 12%, 0%, 29%

Cyan: 90% / Magenta: 12% / Yellow: 0% / Key: 29%

What color is #129FB5?

#129FB5 is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

B52812

Color Palette

HEX to RGB

Convert #129FB5 to RGB:

rgb(18, 159, 181)HEX to RGB Converter →

HEX to HSL

Convert #129FB5 to HSL:

hsl(188, 82%, 39%)RGB to HSL Converter →

HEX to CMYK

Convert #129FB5 to CMYK:

cmyk(90%, 12%, 0%, 29%)Color Converter →

Color Meaning and Usage

#129FB5 is a striking cyan color with RGB values of 18, 159, 181 and HSL of 188°, 82%, 39%. This highly saturated hue evokes energy and excitement, making it suitable for often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #129FB5 is #B52812, creating high-contrast pairings. For softer combinations, try analogous colors like #12B579.

Use #129FB5 in CSS: color: #129FB5 or background-color: #129FB5. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #129FB5

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

Contrast Ratio: 6.65:1

WCAG AA: Pass

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #129FB5?

#129FB5 is a striking cyan color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #129FB5?

#129FB5 in RGB is (18, 159, 181) - 18 red, 159 green, and 181 blue.

How to use #129FB5 in CSS?

Use #129FB5 directly in your CSS properties like color or background-color.

What colors go well with #129FB5?

#B52812 (complementary), #12B579 (analogous), and #0B626F (lighter shade) work well with #129FB5.