#51E1CB#51E1CB

#51E1CB is a very light, vivid teal. Relative luminance 0.599; OKLCH L 82.7% C 0.126 H 181.0°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX#51E1CB
RGBrgb(81, 225, 203)
HSLhsl(171, 71%, 60%)
HSVhsv(171, 64%, 88%)
CMYKcmyk(64%, 0%, 9.8%, 11.8%)
CIE-LABlab(81.79, -43.42, -0.56)
CIE-LCHlch(81.79, 43.43, 180.74°)
OKLaboklab(82.72% -0.1263 -0.0022)
OKLCHoklch(82.72% 0.126 181)
XYZxyz(41.0930, 59.9071, 65.8859)
Luminance0.5991 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E1CB #E15167
analogous
#51E183 #51E1CB #51AFE1
triadic
#51E1CB #CB51E1 #E1CB51
tetradic
#51E1CB #8351E1 #E15167 #AFE151
square
#51E1CB #8351E1 #E15167 #AFE151
split-complementary
#51E1CB #E151AF #E18351
monochromatic
#1B9D89 #24D1B6 #51E1CB #85EADB #B9F3EA

Accessibility & contrast

On white

1.62
#51E1CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.98
#51E1CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1CB
12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E1CB#FFFFFF#000000##000000
##51E1CB1.001.6212.9812.98
#FFFFFF1.621.0021.0021.00
#00000012.9821.001.001.00
##00000012.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7D4CA
Deuteranopia (green-blind)
#C2C5CD
Tritanopia (blue-blind)
#00E5DA
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #51e1cb;
/* rgb */ color: rgb(81, 225, 203);
/* oklch */ color: oklch(82.7% 0.126 181.0);
Tailwind
colors: {
  custom: {
    50: '#92ebda',
    500: '#51e1cb',
    950: '#000000',
  },
}
SCSS
$custom: #51e1cb;
$custom-light: #92ebda;
$custom-dark: #000000;
JSON
{
  "hex": "#51e1cb",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 203
  },
  "hsl": {
    "h": 170.833,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.82719,
    "c": 0.1263,
    "h": 181
  },
  "luminance": 0.59912
}

Semantic roles & 50–950 ramp

primary
#51E1CB
secondary
#A03646
accent
#3A56ED
background
#FCFEFE
surface
#F5FDFB
border
#CFD5D4
text
#0E1614
muted
#7F8483

Preview Lab

Preview with #51E1CB

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

Preview Lab → · Contrast checker → · Palette generator →

#51E1CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva