#51E3CF#51E3CF

#51E3CF is a very light, vivid teal. Relative luminance 0.612; OKLCH L 83.3% C 0.127 H 182.4°. Best body text is #000000 at 13.24:1 contrast (WCAG AA passes).

Color values

HEX#51E3CF
RGBrgb(81, 227, 207)
HSLhsl(172, 72%, 60%)
HSVhsv(172, 64%, 89%)
CMYKcmyk(64.3%, 0%, 8.8%, 11%)
CIE-LABlab(82.48, -43.28, -1.67)
CIE-LCHlch(82.48, 43.31, 182.21°)
OKLaboklab(83.32% -0.1265 -0.0052)
OKLCHoklch(83.32% 0.127 182.4)
XYZxyz(42.1196, 61.1879, 68.6100)
Luminance0.6119 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E3CF #E35165
analogous
#51E386 #51E3CF #51AEE3
triadic
#51E3CF #CF51E3 #E3CF51
tetradic
#51E3CF #8651E3 #E35165 #AEE351
square
#51E3CF #8651E3 #E35165 #AEE351
split-complementary
#51E3CF #E351AE #E38651
monochromatic
#1AA08D #22D5BC #51E3CF #86EBDE #BAF4EC

Accessibility & contrast

On white

1.59
#51E3CF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.24
#51E3CF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E3CF
13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E3CF#FFFFFF#000000##000000
##51E3CF1.001.5913.2413.24
#FFFFFF1.591.0021.0021.00
#00000013.2421.001.001.00
##00000013.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9D6CE
Deuteranopia (green-blind)
#C4C7D1
Tritanopia (blue-blind)
#00E7DD
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #51e3cf;
/* rgb */ color: rgb(81, 227, 207);
/* oklch */ color: oklch(83.3% 0.127 182.4);
Tailwind
colors: {
  custom: {
    50: '#92ecdd',
    500: '#51e3cf',
    950: '#000000',
  },
}
SCSS
$custom: #51e3cf;
$custom-light: #92ecdd;
$custom-dark: #000000;
JSON
{
  "hex": "#51e3cf",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 207
  },
  "hsl": {
    "h": 171.781,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.83316,
    "c": 0.12665,
    "h": 182.4
  },
  "luminance": 0.61192
}

Semantic roles & 50–950 ramp

primary
#51E3CF
secondary
#A33544
accent
#112CD4
background
#FCFFFE
surface
#F5FEFC
border
#CFD6D5
text
#0E1615
muted
#7F8584

Preview Lab

Preview with #51E3CF

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

Preview Lab → · Contrast checker → · Palette generator →

#51E3CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva