#51E9C5#51E9C5

#51E9C5 is a very light, vivid teal. Relative luminance 0.641; OKLCH L 84.5% C 0.138 H 173.9°. Best body text is #000000 at 13.81:1 contrast (WCAG AA passes).

Color values

HEX#51E9C5
RGBrgb(81, 233, 197)
HSLhsl(166, 78%, 62%)
HSVhsv(166, 65%, 91%)
CMYKcmyk(65.2%, 0%, 15.5%, 8.6%)
CIE-LABlab(83.99, -48.35, 5.81)
CIE-LCHlch(83.99, 48.70, 173.15°)
OKLaboklab(84.47% -0.137 0.0146)
OKLCHoklch(84.47% 0.138 173.9)
XYZxyz(42.6053, 64.0537, 62.9307)
Luminance0.6406 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E9C5 #E95175
analogous
#51E979 #51E9C5 #51C1E9
triadic
#51E9C5 #C551E9 #E9C551
tetradic
#51E9C5 #7951E9 #E95175 #C1E951
square
#51E9C5 #7951E9 #E95175 #C1E951
split-complementary
#51E9C5 #E951C1 #E97951
monochromatic
#16AA87 #1CE0B2 #51E9C5 #87F0D7 #BEF7E9

Accessibility & contrast

On white

1.52
#51E9C5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.81
#51E9C5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E9C5
13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E9C5#FFFFFF#000000##000000
##51E9C51.001.5213.8113.81
#FFFFFF1.521.0021.0021.00
#00000013.8121.001.001.00
##00000013.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1DBC3
Deuteranopia (green-blind)
#CCCBC8
Tritanopia (blue-blind)
#00EBDE
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #51e9c5;
/* rgb */ color: rgb(81, 233, 197);
/* oklch */ color: oklch(84.5% 0.138 173.9);
Tailwind
colors: {
  custom: {
    50: '#93f1d6',
    500: '#51e9c5',
    950: '#000000',
  },
}
SCSS
$custom: #51e9c5;
$custom-light: #93f1d6;
$custom-dark: #000000;
JSON
{
  "hex": "#51e9c5",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 197
  },
  "hsl": {
    "h": 165.789,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.84467,
    "c": 0.13778,
    "h": 173.9
  },
  "luminance": 0.64058
}

Semantic roles & 50–950 ramp

primary
#51E9C5
secondary
#AB334F
accent
#0C3DDA
background
#FCFFFE
surface
#F5FEFB
border
#CFD6D4
text
#0E1714
muted
#7F8583

Preview Lab

Preview with #51E9C5

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

Preview Lab → · Contrast checker → · Palette generator →

#51E9C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva