aquamarine 4

#458B74

X11 color

Aquamarine 4 (#458B74) is the darkest member of the X11 aquamarine family, a deep teal-green resembling sea glass or dense tropical foliage. It has substantial chroma and depth, making it suitable as an accent color or even a primary dark tone in nature-themed or coastal design systems. Its richness contrasts well with cream and sand tones.

Color Values

HEX

#458B74

RGB

69, 139, 116

HSL

160.3, 33.7%, 40.8%

HSV

160.3, 50.4%, 54.5%

CMYK

50.4%, 0.0%, 16.5%, 45.5%

OKLCH

0.5843 0.08 169.7

Properties

Color Psychology

True green represents growth, harmony, and environmental consciousness. It is the color most directly associated with nature and sustainability, activating feelings of renewal and stability. Green sits at the center of the visible spectrum, making it psychologically balanced and universally positive.

Design Usage

Medium green is essential for sustainability brands, financial growth indicators, and agricultural products. It works as a primary brand color that communicates trust without the corporate coolness of blue. Ensure sufficient contrast with white text since many mid-greens fall below WCAG AA thresholds.

Color Harmonies

Color Blindness Simulation

CSS Usage

background-color: #458B74;
color: #458B74;
border-color: #458B74;
Nearest Tailwind: Teal 600 #0D9488

Tailwind Shades

Contrast Checker

Text on white

4.04:1

AA Fail AAA Fail

Text on black

5.2:1

AA Pass AAA Fail

Compare With

Frequently Asked Questions

What are the RGB, HSL, and CMYK values of #458B74?

RGB(69, 139, 116) · HSL(160.3, 33.7%, 40.8%) · CMYK(50.4%, 0.0%, 16.5%, 45.5%)

Does #458B74 meet WCAG contrast on white?

4.04:1 — WCAG AA Fail, AAA Fail for normal text.

What text color is readable on #458B74?

Use 000000 text on a #458B74 background; contrast on black is 5.2:1.