#51E5DB#51E5DB

#51E5DB is a very light, vivid teal. Relative luminance 0.629; OKLCH L 84.2% C 0.125 H 188.6°. Best body text is #000000 at 13.58:1 contrast (WCAG AA passes).

Color values

HEX#51E5DB
RGBrgb(81, 229, 219)
HSLhsl(176, 74%, 61%)
HSVhsv(176, 65%, 90%)
CMYKcmyk(64.6%, 0%, 4.4%, 10.2%)
CIE-LABlab(83.39, -41.04, -6.68)
CIE-LCHlch(83.39, 41.58, 189.25°)
OKLaboklab(84.16% -0.1233 -0.0188)
OKLCHoklch(84.16% 0.125 188.6)
XYZxyz(44.1930, 62.8975, 76.8155)
Luminance0.6290 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E5DB #E5515B
analogous
#51E591 #51E5DB #51A5E5
triadic
#51E5DB #DB51E5 #E5DB51
tetradic
#51E5DB #9151E5 #E5515B #A5E551
square
#51E5DB #9151E5 #E5515B #A5E551
split-complementary
#51E5DB #E551A5 #E59151
monochromatic
#18A39A #20D8CC #51E5DB #86EDE6 #BBF5F1

Accessibility & contrast

On white

1.55
#51E5DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.58
#51E5DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5DB
13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E5DB#FFFFFF#000000##000000
##51E5DB1.001.5513.5813.58
#FFFFFF1.551.0021.0021.00
#00000013.5821.001.001.00
##00000013.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9D9DB
Deuteranopia (green-blind)
#C3C9DC
Tritanopia (blue-blind)
#00EBE2
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #51e5db;
/* rgb */ color: rgb(81, 229, 219);
/* oklch */ color: oklch(84.2% 0.125 188.6);
Tailwind
colors: {
  custom: {
    50: '#93eee6',
    500: '#51e5db',
    950: '#000000',
  },
}
SCSS
$custom: #51e5db;
$custom-light: #93eee6;
$custom-dark: #000000;
JSON
{
  "hex": "#51e5db",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 219
  },
  "hsl": {
    "h": 175.946,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.84162,
    "c": 0.12475,
    "h": 188.6
  },
  "luminance": 0.62902
}

Semantic roles & 50–950 ramp

primary
#51E5DB
secondary
#A6353C
accent
#0F1DD6
background
#FCFFFE
surface
#F5FEFC
border
#CFD6D5
text
#0F1615
muted
#808584

Preview Lab

Preview with #51E5DB

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

Preview Lab → · Contrast checker → · Palette generator →

#51E5DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva