#51D7BB#51D7BB

#51D7BB is a light, vivid teal. Relative luminance 0.539; OKLCH L 79.8% C 0.123 H 176.5°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX#51D7BB
RGBrgb(81, 215, 187)
HSLhsl(167, 63%, 58%)
HSVhsv(167, 62%, 84%)
CMYKcmyk(62.3%, 0%, 13%, 15.7%)
CIE-LABlab(78.42, -43.04, 3.05)
CIE-LCHlch(78.42, 43.15, 175.94°)
OKLaboklab(79.85% -0.1232 0.0074)
OKLCHoklch(79.85% 0.123 176.5)
XYZxyz(36.6592, 53.9342, 55.4824)
Luminance0.5394 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D7BB #D7516D
analogous
#51D778 #51D7BB #51B0D7
triadic
#51D7BB #BB51D7 #D7BB51
tetradic
#51D7BB #7851D7 #D7516D #B0D751
square
#51D7BB #7851D7 #D7516D #B0D751
split-complementary
#51D7BB #D751B0 #D77851
monochromatic
#208D76 #2CBFA0 #51D7BB #83E2CE #B5EEE2

Accessibility & contrast

On white

1.78
#51D7BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.79
#51D7BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7BB
11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D7BB#FFFFFF#000000##000000
##51D7BB1.001.7811.7911.79
#FFFFFF1.781.0021.0021.00
#00000011.7921.001.001.00
##00000011.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFCABA
Deuteranopia (green-blind)
#BCBCBD
Tritanopia (blue-blind)
#00DACF
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #51d7bb;
/* rgb */ color: rgb(81, 215, 187);
/* oklch */ color: oklch(79.8% 0.123 176.5);
Tailwind
colors: {
  custom: {
    50: '#90e4cf',
    500: '#51d7bb',
    950: '#000000',
  },
}
SCSS
$custom: #51d7bb;
$custom-light: #90e4cf;
$custom-dark: #000000;
JSON
{
  "hex": "#51d7bb",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 187
  },
  "hsl": {
    "h": 167.463,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.79845,
    "c": 0.12342,
    "h": 176.5
  },
  "luminance": 0.53938
}

Semantic roles & 50–950 ramp

primary
#51D7BB
secondary
#93394C
accent
#4264E6
background
#FCFEFE
surface
#F5FCFB
border
#CFD5D4
text
#0E1513
muted
#7F8483

Preview Lab

Preview with #51D7BB

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

Preview Lab → · Contrast checker → · Palette generator →

#51D7BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva