turquoise 1

#00F5FF

X11 color

Turquoise 1 (#00F5FF) is the brightest variant in the X11 Turquoise series, a near-electric cyan with maximum blue-green saturation that reads as almost fluorescent. The extreme brightness pushes the natural gemstone quality of the CSS standard toward a distinctly digital, neon-adjacent intensity. Used in tech design, futuristic illustrations, and data visualisation where maximum blue-green visibility and energy are required.

Color Values

HEX

#00F5FF

RGB

0, 245, 255

HSL

182.4, 100.0%, 50.0%

HSV

182.4, 100.0%, 100.0%

CMYK

100.0%, 3.9%, 0.0%, 0.0%

OKLCH

0.8818 0.1499 200.1

Properties

Color Psychology

True cyan sits at the boundary of blue and green in the visible spectrum, projecting futurism, precision, and digital innovation. It is a primary color in CMYK printing and RGB displays, giving it a distinctly technological identity. Cyan suggests cutting-edge thinking and clear communication.

Design Usage

Medium cyan is a staple in tech branding, cloud computing services, and developer tools. It works well for interactive elements, link hover states, and data visualization highlights. Because cyan is highly saturated, use it as an accent rather than a dominant color to avoid visual strain.

Color Harmonies

Color Blindness Simulation

CSS Usage

background-color: #00F5FF;
color: #00F5FF;
border-color: #00F5FF;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

Contrast Checker

Text on white

1.35:1

AA Fail AAA Fail

Text on black

15.5:1

AA Pass AAA Pass

Compare With