#51E4BF#51E4BF

#51E4BF is a very light, vivid teal. Relative luminance 0.610; OKLCH L 83.1% C 0.136 H 172.9°. Best body text is #000000 at 13.20:1 contrast (WCAG AA passes).

Color values

HEX#51E4BF
RGBrgb(81, 228, 191)
HSLhsl(165, 73%, 61%)
HSVhsv(165, 64%, 89%)
CMYKcmyk(64.5%, 0%, 16.2%, 10.6%)
CIE-LABlab(82.38, -47.67, 6.64)
CIE-LCHlch(82.38, 48.13, 172.07°)
OKLaboklab(83.1% -0.1347 0.0168)
OKLCHoklch(83.1% 0.136 172.9)
XYZxyz(40.5361, 60.9933, 58.9167)
Luminance0.6100 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E4BF #E45176
analogous
#51E475 #51E4BF #51BFE4
triadic
#51E4BF #BF51E4 #E4BF51
tetradic
#51E4BF #7551E4 #E45176 #BFE451
square
#51E4BF #7551E4 #E45176 #BFE451
split-complementary
#51E4BF #E451BF #E47551
monochromatic
#19A27F #21D7A9 #51E4BF #86ECD2 #BBF4E6

Accessibility & contrast

On white

1.59
#51E4BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.20
#51E4BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4BF
13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E4BF#FFFFFF#000000##000000
##51E4BF1.001.5913.2013.20
#FFFFFF1.591.0021.0021.00
#00000013.2021.001.001.00
##00000013.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDD6BD
Deuteranopia (green-blind)
#C8C7C2
Tritanopia (blue-blind)
#00E6D9
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #51e4bf;
/* rgb */ color: rgb(81, 228, 191);
/* oklch */ color: oklch(83.1% 0.136 172.9);
Tailwind
colors: {
  custom: {
    50: '#92edd2',
    500: '#51e4bf',
    950: '#000000',
  },
}
SCSS
$custom: #51e4bf;
$custom-light: #92edd2;
$custom-dark: #000000;
JSON
{
  "hex": "#51e4bf",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 191
  },
  "hsl": {
    "h": 164.898,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.83099,
    "c": 0.13572,
    "h": 172.9
  },
  "luminance": 0.60998
}

Semantic roles & 50–950 ramp

primary
#51E4BF
secondary
#A43551
accent
#1042D5
background
#FCFFFE
surface
#F5FEFB
border
#CFD6D4
text
#0E1614
muted
#7F8583

Preview Lab

Preview with #51E4BF

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

Preview Lab → · Contrast checker → · Palette generator →

#51E4BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva