#51E3DB#51E3DB

#51E3DB is a very light, vivid teal. Relative luminance 0.618; OKLCH L 83.7% C 0.123 H 189.9°. Best body text is #000000 at 13.36:1 contrast (WCAG AA passes).

Color values

HEX#51E3DB
RGBrgb(81, 227, 219)
HSLhsl(177, 72%, 60%)
HSVhsv(177, 64%, 89%)
CMYKcmyk(64.3%, 0%, 3.5%, 11%)
CIE-LABlab(82.81, -40.15, -7.55)
CIE-LCHlch(82.81, 40.85, 190.65°)
OKLaboklab(83.69% -0.1213 -0.0211)
OKLCHoklch(83.69% 0.123 189.9)
XYZxyz(43.6428, 61.7971, 76.6321)
Luminance0.6180 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E3DB #E35159
analogous
#51E392 #51E3DB #51A2E3
triadic
#51E3DB #DB51E3 #E3DB51
tetradic
#51E3DB #9251E3 #E35159 #A2E351
square
#51E3DB #9251E3 #E35159 #A2E351
split-complementary
#51E3DB #E351A2 #E39251
monochromatic
#1AA099 #22D5CB #51E3DB #86EBE6 #BAF4F1

Accessibility & contrast

On white

1.57
#51E3DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.36
#51E3DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E3DB
13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E3DB#FFFFFF#000000##000000
##51E3DB1.001.5713.3613.36
#FFFFFF1.571.0021.0021.00
#00000013.3621.001.001.00
##00000013.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6D8DB
Deuteranopia (green-blind)
#C0C7DC
Tritanopia (blue-blind)
#00E9E0
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #51e3db;
/* rgb */ color: rgb(81, 227, 219);
/* oklch */ color: oklch(83.7% 0.123 189.9);
Tailwind
colors: {
  custom: {
    50: '#93ece6',
    500: '#51e3db',
    950: '#000000',
  },
}
SCSS
$custom: #51e3db;
$custom-light: #93ece6;
$custom-dark: #000000;
JSON
{
  "hex": "#51e3db",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 219
  },
  "hsl": {
    "h": 176.712,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.83689,
    "c": 0.12315,
    "h": 189.9
  },
  "luminance": 0.61802
}

Semantic roles & 50–950 ramp

primary
#51E3DB
secondary
#A3353B
accent
#111CD4
background
#FCFFFE
surface
#F5FEFC
border
#CFD6D5
text
#0E1615
muted
#7F8584

Preview Lab

Preview with #51E3DB

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

Preview Lab → · Contrast checker → · Palette generator →

#51E3DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva