#51DA39#51DA39

#51DA39 is a light, highly saturated green. Relative luminance 0.522; OKLCH L 78.4% C 0.229 H 141.0°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX#51DA39
RGBrgb(81, 218, 57)
HSLhsl(111, 69%, 54%)
HSVhsv(111, 74%, 85%)
CMYKcmyk(62.8%, 0%, 73.9%, 14.5%)
CIE-LABlab(77.39, -65.16, 64.07)
CIE-LCHlch(77.39, 91.38, 135.49°)
OKLaboklab(78.36% -0.1782 0.1443)
OKLCHoklch(78.36% 0.229 141)
XYZxyz(29.2018, 52.1847, 12.4038)
Luminance0.5219 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DA39 #C239DA
analogous
#A2DA39 #51DA39 #39DA72
triadic
#51DA39 #3951DA #DA3951
tetradic
#51DA39 #39A2DA #C239DA #DA7239
square
#51DA39 #39A2DA #C239DA #DA7239
split-complementary
#51DA39 #7239DA #DA39A2
monochromatic
#288118 #37B422 #51DA39 #7EE46D #ACEDA0

Accessibility & contrast

On white

1.84
#51DA39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.44
#51DA39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA39
11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DA39#FFFFFF#000000##000000
##51DA391.001.8411.4411.44
#FFFFFF1.841.0021.0021.00
#00000011.4421.001.001.00
##00000011.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C618
Deuteranopia (green-blind)
#CFBB4A
Tritanopia (blue-blind)
#3AD3BB
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #51da39;
/* rgb */ color: rgb(81, 218, 57);
/* oklch */ color: oklch(78.4% 0.229 141.0);
Tailwind
colors: {
  custom: {
    50: '#92e77a',
    500: '#51da39',
    950: '#000000',
  },
}
SCSS
$custom: #51da39;
$custom-light: #92e77a;
$custom-dark: #000000;
JSON
{
  "hex": "#51da39",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 111.056,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78361,
    "c": 0.2293,
    "h": 141
  },
  "luminance": 0.52188
}

Semantic roles & 50–950 ramp

primary
#51DA39
secondary
#7A3088
accent
#3CEBD1
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #51DA39

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

Preview Lab → · Contrast checker → · Palette generator →

#51DA39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva