#51E1B3#51E1B3

#51E1B3 is a very light, vivid teal. Relative luminance 0.589; OKLCH L 82.1% C 0.140 H 168.1°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).

Color values

HEX#51E1B3
RGBrgb(81, 225, 179)
HSLhsl(161, 71%, 60%)
HSVhsv(161, 64%, 88%)
CMYKcmyk(64%, 0%, 20.4%, 11.8%)
CIE-LABlab(81.21, -49.21, 11.30)
CIE-LCHlch(81.21, 50.49, 167.07°)
OKLaboklab(82.06% -0.1371 0.0289)
OKLCHoklch(82.06% 0.14 168.1)
XYZxyz(38.4511, 58.8503, 51.9719)
Luminance0.5885 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E1B3 #E1517F
analogous
#51E16B #51E1B3 #51C7E1
triadic
#51E1B3 #B351E1 #E1B351
tetradic
#51E1B3 #6B51E1 #E1517F #C7E151
square
#51E1B3 #6B51E1 #E1517F #C7E151
split-complementary
#51E1B3 #E151C7 #E16B51
monochromatic
#1B9D73 #24D19A #51E1B3 #85EACA #B9F3E1

Accessibility & contrast

On white

1.64
#51E1B3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.77
#51E1B3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1B3
12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E1B3#FFFFFF#000000##000000
##51E1B31.001.6412.7712.77
#FFFFFF1.641.0021.0021.00
#00000012.7721.001.001.00
##00000012.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCD2B1
Deuteranopia (green-blind)
#C8C4B6
Tritanopia (blue-blind)
#00E2D4
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #51e1b3;
/* rgb */ color: rgb(81, 225, 179);
/* oklch */ color: oklch(82.1% 0.140 168.1);
Tailwind
colors: {
  custom: {
    50: '#91ebc9',
    500: '#51e1b3',
    950: '#000000',
  },
}
SCSS
$custom: #51e1b3;
$custom-light: #91ebc9;
$custom-dark: #000000;
JSON
{
  "hex": "#51e1b3",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 179
  },
  "hsl": {
    "h": 160.833,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.82055,
    "c": 0.14009,
    "h": 168.1
  },
  "luminance": 0.58854
}

Semantic roles & 50–950 ramp

primary
#51E1B3
secondary
#A03658
accent
#3A74ED
background
#FCFFFD
surface
#F5FEF9
border
#CFD6D2
text
#0E1613
muted
#7F8582

Preview Lab

Preview with #51E1B3

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

Preview Lab → · Contrast checker → · Palette generator →

#51E1B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva