#51B527#51B527

#51B527 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.7% C 0.197 H 138.5°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#51B527
RGBrgb(81, 181, 39)
HSLhsl(102, 65%, 43%)
HSVhsv(102, 78%, 71%)
CMYKcmyk(55.2%, 0%, 78.5%, 29%)
CIE-LABlab(65.70, -53.38, 58.54)
CIE-LCHlch(65.70, 79.22, 132.36°)
OKLaboklab(68.67% -0.1474 0.1303)
OKLCHoklch(68.67% 0.197 138.5)
XYZxyz(20.2827, 34.9419, 7.5947)
Luminance0.3494 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B527 #8B27B5
analogous
#98B527 #51B527 #27B544
triadic
#51B527 #2751B5 #B52751
tetradic
#51B527 #2798B5 #8B27B5 #B54427
square
#51B527 #2798B5 #8B27B5 #B54427
split-complementary
#51B527 #4427B5 #B52798
monochromatic
#245011 #3A831C #51B527 #6ED643 #95E175

Accessibility & contrast

On white

2.63
#51B527 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.99
#51B527 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B527
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B527#FFFFFF#000000##000000
##51B5271.002.637.997.99
#FFFFFF2.631.0021.0021.00
#0000007.9921.001.001.00
##0000007.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBA500
Deuteranopia (green-blind)
#AE9C37
Tritanopia (blue-blind)
#48AF9B
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #51b527;
/* rgb */ color: rgb(81, 181, 39);
/* oklch */ color: oklch(68.7% 0.197 138.5);
Tailwind
colors: {
  custom: {
    50: '#8dcc6d',
    500: '#51b527',
    950: '#000000',
  },
}
SCSS
$custom: #51b527;
$custom-light: #8dcc6d;
$custom-dark: #000000;
JSON
{
  "hex": "#51b527",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 39
  },
  "hsl": {
    "h": 102.254,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.68669,
    "c": 0.19675,
    "h": 138.5
  },
  "luminance": 0.34944
}

Semantic roles & 50–950 ramp

primary
#51B527
secondary
#AE6FC9
accent
#40E8B6
background
#F9FCF6
surface
#F1F9EC
border
#CBD2C7
text
#0D1308
muted
#7E827B

Preview Lab

Preview with #51B527

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

Preview Lab → · Contrast checker → · Palette generator →

#51B527 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva