#51B422#51B422

#51B422 is a light, vivid green. Relative luminance 0.345; OKLCH L 68.4% C 0.198 H 138.2°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX#51B422
RGBrgb(81, 180, 34)
HSLhsl(101, 68%, 42%)
HSVhsv(101, 81%, 71%)
CMYKcmyk(55%, 0%, 81.1%, 29.4%)
CIE-LABlab(65.36, -53.29, 59.71)
CIE-LCHlch(65.36, 80.03, 131.75°)
OKLaboklab(68.38% -0.1474 0.132)
OKLCHoklch(68.38% 0.198 138.2)
XYZxyz(20.0026, 34.5057, 7.1193)
Luminance0.3451 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B422 #8522B4
analogous
#9AB422 #51B422 #22B43C
triadic
#51B422 #2251B4 #B42251
tetradic
#51B422 #229AB4 #8522B4 #B43C22
square
#51B422 #229AB4 #8522B4 #B43C22
split-complementary
#51B422 #3C22B4 #B4229A
monochromatic
#234D0F #3A8118 #51B422 #6DDA3A #93E36D

Accessibility & contrast

On white

2.66
#51B422 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.90
#51B422 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B422
7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B422#FFFFFF#000000##000000
##51B4221.002.667.907.90
#FFFFFF2.661.0021.0021.00
#0000007.9021.001.001.00
##0000007.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAA400
Deuteranopia (green-blind)
#AD9C34
Tritanopia (blue-blind)
#48AE99
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #51b422;
/* rgb */ color: rgb(81, 180, 34);
/* oklch */ color: oklch(68.4% 0.198 138.2);
Tailwind
colors: {
  custom: {
    50: '#8dcb6a',
    500: '#51b422',
    950: '#000000',
  },
}
SCSS
$custom: #51b422;
$custom-light: #8dcb6a;
$custom-dark: #000000;
JSON
{
  "hex": "#51b422",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 34
  },
  "hsl": {
    "h": 100.685,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.68379,
    "c": 0.19792,
    "h": 138.2
  },
  "luminance": 0.34507
}

Semantic roles & 50–950 ramp

primary
#51B422
secondary
#AA68CA
accent
#3DEBB3
background
#F9FCF6
surface
#F1F9EC
border
#CBD2C7
text
#0D1307
muted
#7E827A

Preview Lab

Preview with #51B422

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

Preview Lab → · Contrast checker → · Palette generator →

#51B422 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva