#51C3BF#51C3BF

#51C3BF is a light, moderate teal. Relative luminance 0.445; OKLCH L 75.1% C 0.103 H 192.0°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX#51C3BF
RGBrgb(81, 195, 191)
HSLhsl(178, 49%, 54%)
HSVhsv(178, 58%, 76%)
CMYKcmyk(58.5%, 0%, 2.1%, 23.5%)
CIE-LABlab(72.59, -32.89, -7.67)
CIE-LCHlch(72.59, 33.77, 193.13°)
OKLaboklab(75.14% -0.1004 -0.0213)
OKLCHoklch(75.14% 0.103 192)
XYZxyz(32.3083, 44.5378, 56.1741)
Luminance0.4454 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C3BF #C35155
analogous
#51C386 #51C3BF #518EC3
triadic
#51C3BF #BF51C3 #C3BF51
tetradic
#51C3BF #8651C3 #C35155 #8EC351
square
#51C3BF #8651C3 #C35155 #8EC351
split-complementary
#51C3BF #C3518E #C38651
monochromatic
#277270 #37A09C #51C3BF #7FD3D0 #ACE2E0

Accessibility & contrast

On white

2.12
#51C3BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.91
#51C3BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C3BF
9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C3BF#FFFFFF#000000##000000
##51C3BF1.002.129.919.91
#FFFFFF2.121.0021.0021.00
#0000009.9121.001.001.00
##0000009.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8BABF
Deuteranopia (green-blind)
#A6ACC0
Tritanopia (blue-blind)
#00C8C1
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #51c3bf;
/* rgb */ color: rgb(81, 195, 191);
/* oklch */ color: oklch(75.1% 0.103 192.0);
Tailwind
colors: {
  custom: {
    50: '#8ed5d2',
    500: '#51c3bf',
    950: '#000000',
  },
}
SCSS
$custom: #51c3bf;
$custom-light: #8ed5d2;
$custom-dark: #000000;
JSON
{
  "hex": "#51c3bf",
  "rgb": {
    "r": 81,
    "g": 195,
    "b": 191
  },
  "hsl": {
    "h": 177.895,
    "s": 48.718,
    "l": 54.118
  },
  "oklch": {
    "l": 0.75142,
    "c": 0.10267,
    "h": 192
  },
  "luminance": 0.44541
}

Semantic roles & 50–950 ramp

primary
#51C3BF
secondary
#D0A0A1
accent
#5054D8
background
#F9FDFC
surface
#F2FAF9
border
#CCD3D2
text
#0D1414
muted
#7E8382

Preview Lab

Preview with #51C3BF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#51C3BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva