#51DD9F#51DD9F

#51DD9F is a light, vivid teal. Relative luminance 0.560; OKLCH L 80.6% C 0.151 H 160.7°. Best body text is #000000 at 12.19:1 contrast (WCAG AA passes).

Color values

HEX#51DD9F
RGBrgb(81, 221, 159)
HSLhsl(153, 67%, 59%)
HSVhsv(153, 63%, 87%)
CMYKcmyk(63.3%, 0%, 28.1%, 13.3%)
CIE-LABlab(79.59, -51.94, 19.54)
CIE-LCHlch(79.59, 55.49, 159.38°)
OKLaboklab(80.59% -0.1421 0.0497)
OKLCHoklch(80.59% 0.151 160.7)
XYZxyz(35.5044, 55.9617, 41.7248)
Luminance0.5596 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DD9F #DD518F
analogous
#51DD59 #51DD9F #51D5DD
triadic
#51DD9F #9F51DD #DD9F51
tetradic
#51DD9F #5951DD #DD518F #D5DD51
square
#51DD9F #5951DD #DD518F #D5DD51
split-complementary
#51DD9F #DD51D5 #DD5951
monochromatic
#1D9661 #27C982 #51DD9F #84E7BB #B7F1D7

Accessibility & contrast

On white

1.72
#51DD9F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.19
#51DD9F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD9F
12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DD9F#FFFFFF#000000##000000
##51DD9F1.001.7212.1912.19
#FFFFFF1.721.0021.0021.00
#00000012.1921.001.001.00
##00000012.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#DACD9B
Deuteranopia (green-blind)
#C7C0A3
Tritanopia (blue-blind)
#00DCCC
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #51dd9f;
/* rgb */ color: rgb(81, 221, 159);
/* oklch */ color: oklch(80.6% 0.151 160.7);
Tailwind
colors: {
  custom: {
    50: '#90e8bb',
    500: '#51dd9f',
    950: '#000000',
  },
}
SCSS
$custom: #51dd9f;
$custom-light: #90e8bb;
$custom-dark: #000000;
JSON
{
  "hex": "#51dd9f",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 159
  },
  "hsl": {
    "h": 153.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80593,
    "c": 0.15057,
    "h": 160.7
  },
  "luminance": 0.55965
}

Semantic roles & 50–950 ramp

primary
#51DD9F
secondary
#9B3863
accent
#3E8AEA
background
#FCFEFD
surface
#F5FDF8
border
#CFD5D1
text
#0E1612
muted
#7F8482

Preview Lab

Preview with #51DD9F

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

Preview Lab → · Contrast checker → · Palette generator →

#51DD9F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva