#51DC91#51DC91

#51DC91 is a light, vivid green. Relative luminance 0.550; OKLCH L 80.0% C 0.161 H 156.0°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX#51DC91
RGBrgb(81, 220, 145)
HSLhsl(148, 67%, 59%)
HSVhsv(148, 63%, 86%)
CMYKcmyk(63.2%, 0%, 34.1%, 13.7%)
CIE-LABlab(79.03, -54.34, 26.06)
CIE-LCHlch(79.03, 60.26, 154.38°)
OKLaboklab(80.04% -0.1475 0.0656)
OKLCHoklch(80.04% 0.161 156)
XYZxyz(34.0944, 54.9765, 35.5973)
Luminance0.5498 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DC91 #DC519C
analogous
#57DC51 #51DC91 #51DCD7
triadic
#51DC91 #9151DC #DC9151
tetradic
#51DC91 #5157DC #DC519C #DCD751
square
#51DC91 #5157DC #DC519C #DCD751
split-complementary
#51DC91 #D751DC #DC5157
monochromatic
#1E9555 #28C872 #51DC91 #84E6B1 #B7F0D1

Accessibility & contrast

On white

1.75
#51DC91 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.00
#51DC91 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC91
12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DC91#FFFFFF#000000##000000
##51DC911.001.7512.0012.00
#FFFFFF1.751.0021.0021.00
#00000012.0021.001.001.00
##00000012.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#DBCB8C
Deuteranopia (green-blind)
#C9BE96
Tritanopia (blue-blind)
#00DAC9
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #51dc91;
/* rgb */ color: rgb(81, 220, 145);
/* oklch */ color: oklch(80.0% 0.161 156.0);
Tailwind
colors: {
  custom: {
    50: '#90e8b1',
    500: '#51dc91',
    950: '#000000',
  },
}
SCSS
$custom: #51dc91;
$custom-light: #90e8b1;
$custom-dark: #000000;
JSON
{
  "hex": "#51dc91",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 145
  },
  "hsl": {
    "h": 147.626,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.80044,
    "c": 0.16139,
    "h": 156
  },
  "luminance": 0.5498
}

Semantic roles & 50–950 ramp

primary
#51DC91
secondary
#99386C
accent
#3E9BE9
background
#FCFEFD
surface
#F5FDF7
border
#CFD5D0
text
#0E1611
muted
#7F8481

Preview Lab

Preview with #51DC91

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

Preview Lab → · Contrast checker → · Palette generator →

#51DC91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva