#51DB91#51DB91

#51DB91 is a light, vivid green. Relative luminance 0.545; OKLCH L 79.8% C 0.160 H 156.2°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX#51DB91
RGBrgb(81, 219, 145)
HSLhsl(148, 66%, 59%)
HSVhsv(148, 63%, 86%)
CMYKcmyk(63%, 0%, 33.8%, 14.1%)
CIE-LABlab(78.73, -53.95, 25.65)
CIE-LCHlch(78.73, 59.73, 154.57°)
OKLaboklab(79.8% -0.1464 0.0646)
OKLCHoklch(79.8% 0.16 156.2)
XYZxyz(33.8327, 54.4532, 35.5101)
Luminance0.5446 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DB91 #DB519B
analogous
#56DB51 #51DB91 #51DBD6
triadic
#51DB91 #9151DB #DB9151
tetradic
#51DB91 #5156DB #DB519B #DBD651
square
#51DB91 #5156DB #DB519B #DBD651
split-complementary
#51DB91 #D651DB #DB5156
monochromatic
#1E9355 #29C672 #51DB91 #84E5B1 #B6F0D1

Accessibility & contrast

On white

1.77
#51DB91 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.89
#51DB91 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB91
11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DB91#FFFFFF#000000##000000
##51DB911.001.7711.8911.89
#FFFFFF1.771.0021.0021.00
#00000011.8921.001.001.00
##00000011.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#DACB8C
Deuteranopia (green-blind)
#C8BE96
Tritanopia (blue-blind)
#00D9C8
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #51db91;
/* rgb */ color: rgb(81, 219, 145);
/* oklch */ color: oklch(79.8% 0.160 156.2);
Tailwind
colors: {
  custom: {
    50: '#8fe7b1',
    500: '#51db91',
    950: '#000000',
  },
}
SCSS
$custom: #51db91;
$custom-light: #8fe7b1;
$custom-dark: #000000;
JSON
{
  "hex": "#51db91",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 145
  },
  "hsl": {
    "h": 147.826,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79795,
    "c": 0.16007,
    "h": 156.2
  },
  "luminance": 0.54457
}

Semantic roles & 50–950 ramp

primary
#51DB91
secondary
#98386C
accent
#3F9AE9
background
#FCFEFD
surface
#F5FDF7
border
#CFD5D0
text
#0E1611
muted
#7F8481

Preview Lab

Preview with #51DB91

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

Preview Lab → · Contrast checker → · Palette generator →

#51DB91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva