#51C8AB#51C8AB

#51C8AB is a light, moderate teal. Relative luminance 0.460; OKLCH L 75.7% C 0.115 H 174.3°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX#51C8AB
RGBrgb(81, 200, 171)
HSLhsl(165, 52%, 55%)
HSVhsv(165, 60%, 78%)
CMYKcmyk(59.5%, 0%, 14.5%, 21.6%)
CIE-LABlab(73.54, -40.33, 4.59)
CIE-LCHlch(73.54, 40.59, 173.50°)
OKLaboklab(75.74% -0.1147 0.0115)
OKLCHoklch(75.74% 0.115 174.3)
XYZxyz(31.3948, 45.9950, 45.7436)
Luminance0.4600 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C8AB #C8516E
analogous
#51C86F #51C8AB #51AAC8
triadic
#51C8AB #AB51C8 #C8AB51
tetradic
#51C8AB #6F51C8 #C8516E #AAC851
square
#51C8AB #6F51C8 #C8516E #AAC851
split-complementary
#51C8AB #C851AA #C86F51
monochromatic
#267964 #35A78B #51C8AB #80D7C1 #AEE5D8

Accessibility & contrast

On white

2.06
#51C8AB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.20
#51C8AB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8AB
10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C8AB#FFFFFF#000000##000000
##51C8AB1.002.0610.2010.20
#FFFFFF2.061.0021.0021.00
#00000010.2021.001.001.00
##00000010.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2BCAA
Deuteranopia (green-blind)
#B0AFAD
Tritanopia (blue-blind)
#00CABF
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #51c8ab;
/* rgb */ color: rgb(81, 200, 171);
/* oklch */ color: oklch(75.7% 0.115 174.3);
Tailwind
colors: {
  custom: {
    50: '#8dd9c4',
    500: '#51c8ab',
    950: '#000000',
  },
}
SCSS
$custom: #51c8ab;
$custom-light: #8dd9c4;
$custom-dark: #000000;
JSON
{
  "hex": "#51c8ab",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 171
  },
  "hsl": {
    "h": 165.378,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.75739,
    "c": 0.11527,
    "h": 174.3
  },
  "luminance": 0.45998
}

Semantic roles & 50–950 ramp

primary
#51C8AB
secondary
#D3A1AE
accent
#4C6FDB
background
#F9FDFC
surface
#F1FAF8
border
#CBD3D1
text
#0D1512
muted
#7E8381

Preview Lab

Preview with #51C8AB

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

Preview Lab → · Contrast checker → · Palette generator →

#51C8AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva