#51D5BA#51D5BA

#51D5BA is a light, vivid teal. Relative luminance 0.529; OKLCH L 79.3% C 0.122 H 177.0°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX#51D5BA
RGBrgb(81, 213, 186)
HSLhsl(168, 61%, 58%)
HSVhsv(168, 62%, 84%)
CMYKcmyk(62%, 0%, 12.7%, 16.5%)
CIE-LABlab(77.80, -42.41, 2.69)
CIE-LCHlch(77.80, 42.49, 176.37°)
OKLaboklab(79.33% -0.1216 0.0065)
OKLCHoklch(79.33% 0.122 177)
XYZxyz(36.0463, 52.8792, 54.7519)
Luminance0.5288 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D5BA #D5516C
analogous
#51D578 #51D5BA #51AED5
triadic
#51D5BA #BA51D5 #D5BA51
tetradic
#51D5BA #7851D5 #D5516C #AED551
square
#51D5BA #7851D5 #D5516C #AED551
split-complementary
#51D5BA #D551AE #D57851
monochromatic
#218A75 #2DBC9E #51D5BA #82E1CE #B4EDE1

Accessibility & contrast

On white

1.81
#51D5BA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.58
#51D5BA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5BA
11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D5BA#FFFFFF#000000##000000
##51D5BA1.001.8111.5811.58
#FFFFFF1.811.0021.0021.00
#00000011.5821.001.001.00
##00000011.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDC9B9
Deuteranopia (green-blind)
#BABABC
Tritanopia (blue-blind)
#00D8CD
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #51d5ba;
/* rgb */ color: rgb(81, 213, 186);
/* oklch */ color: oklch(79.3% 0.122 177.0);
Tailwind
colors: {
  custom: {
    50: '#90e2ce',
    500: '#51d5ba',
    950: '#000000',
  },
}
SCSS
$custom: #51d5ba;
$custom-light: #90e2ce;
$custom-dark: #000000;
JSON
{
  "hex": "#51d5ba",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 186
  },
  "hsl": {
    "h": 167.727,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79332,
    "c": 0.12175,
    "h": 177
  },
  "luminance": 0.52883
}

Semantic roles & 50–950 ramp

primary
#51D5BA
secondary
#903A4C
accent
#4464E4
background
#FCFEFE
surface
#F5FCFB
border
#CFD5D4
text
#0E1513
muted
#7F8483

Preview Lab

Preview with #51D5BA

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

Preview Lab → · Contrast checker → · Palette generator →

#51D5BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva