#155B3F Color Information

Hex color code: #155B3F

A rich cyan shade, #155B3F appears as (21, 91, 63) in RGB and (156°, 63%, 22%) in HSL. It is popular in mobile app design.

Try:
Color NameDark Slate Gray
HEX
#155B3F
RGB
21, 91, 63
HSL
156°, 63%, 22%
CMYK
77%, 0%, 31%, 64%

Shades

CSS Usage
color: #155B3F;
background-color: #155B3F;
border-color: #155B3F;
box-shadow: 0 0 10px #155B3F;
border: 2px solid #155B3F;
Tailwind Usage
bg-[#155B3F]
text-[#155B3F]
border-[#155B3F]
shadow-[0_0_10px_155B3F]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #155B3F, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #155B3F; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #155B3F; color: #FFFFFF; }

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 #155B3F; background-color: #155B3F15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #155B3F20; border-left: 4px solid #155B3F; }

Link / Accent

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

a { color: #155B3F; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #155B3F in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

21, 91, 63

Red: 21 / Green: 91 / Blue: 63

HSL

156°, 63%, 22%

Hue: 156° / Saturation: 63% / Lightness: 22%

CMYK

77%, 0%, 31%, 64%

Cyan: 77% / Magenta: 0% / Yellow: 31% / Key: 64%

What color is #155B3F?

#155B3F is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #155B3F to RGB:

rgb(21, 91, 63)HEX to RGB Converter →

HEX to HSL

Convert #155B3F to HSL:

hsl(156, 63%, 22%)RGB to HSL Converter →

HEX to CMYK

Convert #155B3F to CMYK:

cmyk(77%, 0%, 31%, 64%)Color Converter →

Color Meaning and Usage

A rich cyan tone, #155B3F has RGB (21, 91, 63) and HSL (156°, 63%, 22%). Known for evoking trust and professionalism, this cyan-blue hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #155B3F is #5B1531, creating high-contrast pairings. For softer combinations, try analogous colors like #155B1C.

Use #155B3F in CSS: color: #155B3F or background-color: #155B3F. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #155B3F

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

Contrast Ratio: 2.60:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #155B3F?

#155B3F is a rich cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #155B3F?

#155B3F in RGB is (21, 91, 63) - 21 red, 91 green, and 63 blue.

How to use #155B3F in CSS?

Use #155B3F directly in your CSS properties like color or background-color.

What colors go well with #155B3F?

#5B1531 (complementary), #155B1C (analogous), and #071D14 (lighter shade) work well with #155B3F.