#51B548#51B548

#51B548 is a light, vivid green. Relative luminance 0.353; OKLCH L 69.0% C 0.175 H 142.0°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX#51B548
RGBrgb(81, 181, 72)
HSLhsl(115, 43%, 50%)
HSVhsv(115, 60%, 71%)
CMYKcmyk(55.2%, 0%, 60.2%, 29%)
CIE-LABlab(65.95, -50.56, 45.88)
CIE-LCHlch(65.95, 68.27, 137.78°)
OKLaboklab(68.95% -0.1379 0.1077)
OKLCHoklch(68.95% 0.175 142)
XYZxyz(21.0859, 35.2632, 11.8250)
Luminance0.3527 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B548 #AC48B5
analogous
#88B548 #51B548 #48B576
triadic
#51B548 #4851B5 #B54851
tetradic
#51B548 #4888B5 #AC48B5 #B57648
square
#51B548 #4888B5 #AC48B5 #B57648
split-complementary
#51B548 #7648B5 #B54888
monochromatic
#2A5D25 #3D8937 #51B548 #7AC773 #A3D99F

Accessibility & contrast

On white

2.61
#51B548 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.05
#51B548 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B548
8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B548#FFFFFF#000000##000000
##51B5481.002.618.058.05
#FFFFFF2.611.0021.0021.00
#0000008.0521.001.001.00
##0000008.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9A63C
Deuteranopia (green-blind)
#AC9D51
Tritanopia (blue-blind)
#43B09E
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #51b548;
/* rgb */ color: rgb(81, 181, 72);
/* oklch */ color: oklch(69.0% 0.175 142.0);
Tailwind
colors: {
  custom: {
    50: '#8bcc7f',
    500: '#51b548',
    950: '#000000',
  },
}
SCSS
$custom: #51b548;
$custom-light: #8bcc7f;
$custom-dark: #000000;
JSON
{
  "hex": "#51b548",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 72
  },
  "hsl": {
    "h": 115.046,
    "s": 43.083,
    "l": 49.608
  },
  "oklch": {
    "l": 0.68954,
    "c": 0.17494,
    "h": 142
  },
  "luminance": 0.35265
}

Semantic roles & 50–950 ramp

primary
#51B548
secondary
#C193C5
accent
#55D3C8
background
#F9FCF7
surface
#F1F9EE
border
#CBD2C9
text
#0D130A
muted
#7E827C

Preview Lab

Preview with #51B548

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

Preview Lab → · Contrast checker → · Palette generator →

#51B548 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva