#51E9BF#51E9BF

#51E9BF is a very light, vivid teal. Relative luminance 0.638; OKLCH L 84.3% C 0.141 H 170.9°. Best body text is #000000 at 13.76:1 contrast (WCAG AA passes).

Color values

HEX#51E9BF
RGBrgb(81, 233, 191)
HSLhsl(163, 78%, 62%)
HSVhsv(163, 65%, 91%)
CMYKcmyk(65.2%, 0%, 18%, 8.6%)
CIE-LABlab(83.85, -49.77, 8.76)
CIE-LCHlch(83.85, 50.54, 170.02°)
OKLaboklab(84.31% -0.1397 0.0223)
OKLCHoklch(84.31% 0.141 170.9)
XYZxyz(41.9315, 63.7841, 59.3818)
Luminance0.6379 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E9BF #E9517B
analogous
#51E973 #51E9BF #51C7E9
triadic
#51E9BF #BF51E9 #E9BF51
tetradic
#51E9BF #7351E9 #E9517B #C7E951
square
#51E9BF #7351E9 #E9517B #C7E951
split-complementary
#51E9BF #E951C7 #E97351
monochromatic
#16AA81 #1CE0AA #51E9BF #87F0D3 #BEF7E7

Accessibility & contrast

On white

1.53
#51E9BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.76
#51E9BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E9BF
13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E9BF#FFFFFF#000000##000000
##51E9BF1.001.5313.7613.76
#FFFFFF1.531.0021.0021.00
#00000013.7621.001.001.00
##00000013.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2DABD
Deuteranopia (green-blind)
#CDCBC2
Tritanopia (blue-blind)
#00EBDD
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #51e9bf;
/* rgb */ color: rgb(81, 233, 191);
/* oklch */ color: oklch(84.3% 0.141 170.9);
Tailwind
colors: {
  custom: {
    50: '#92f1d2',
    500: '#51e9bf',
    950: '#000000',
  },
}
SCSS
$custom: #51e9bf;
$custom-light: #92f1d2;
$custom-dark: #000000;
JSON
{
  "hex": "#51e9bf",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 191
  },
  "hsl": {
    "h": 163.421,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.84306,
    "c": 0.14147,
    "h": 170.9
  },
  "luminance": 0.63789
}

Semantic roles & 50–950 ramp

primary
#51E9BF
secondary
#AB3354
accent
#0C45DA
background
#FCFFFE
surface
#F5FEFB
border
#CFD6D4
text
#0E1714
muted
#7F8583

Preview Lab

Preview with #51E9BF

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

Preview Lab → · Contrast checker → · Palette generator →

#51E9BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva