#51B63A#51B63A

#51B63A is a light, vivid green. Relative luminance 0.355; OKLCH L 69.1% C 0.187 H 140.2°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX#51B63A
RGBrgb(81, 182, 58)
HSLhsl(109, 52%, 47%)
HSVhsv(109, 68%, 71%)
CMYKcmyk(55.5%, 0%, 68.1%, 28.6%)
CIE-LABlab(66.14, -52.35, 52.13)
CIE-LCHlch(66.14, 73.88, 135.12°)
OKLaboklab(69.07% -0.1435 0.1195)
OKLCHoklch(69.07% 0.187 140.2)
XYZxyz(20.8841, 35.5090, 9.7556)
Luminance0.3551 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B63A #9F3AB6
analogous
#8FB63A #51B63A #3AB661
triadic
#51B63A #3A51B6 #B63A51
tetradic
#51B63A #3A8FB6 #9F3AB6 #B6613A
square
#51B63A #3A8FB6 #9F3AB6 #B6613A
split-complementary
#51B63A #613AB6 #B63A8F
monochromatic
#28591C #3C882B #51B63A #75CD61 #9DDB8F

Accessibility & contrast

On white

2.59
#51B63A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.10
#51B63A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B63A
8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B63A#FFFFFF#000000##000000
##51B63A1.002.598.108.10
#FFFFFF2.591.0021.0021.00
#0000008.1021.001.001.00
##0000008.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBA628
Deuteranopia (green-blind)
#AE9E45
Tritanopia (blue-blind)
#45B09D
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #51b63a;
/* rgb */ color: rgb(81, 182, 58);
/* oklch */ color: oklch(69.1% 0.187 140.2);
Tailwind
colors: {
  custom: {
    50: '#8ccd76',
    500: '#51b63a',
    950: '#000000',
  },
}
SCSS
$custom: #51b63a;
$custom-light: #8ccd76;
$custom-dark: #000000;
JSON
{
  "hex": "#51b63a",
  "rgb": {
    "r": 81,
    "g": 182,
    "b": 58
  },
  "hsl": {
    "h": 108.871,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.69071,
    "c": 0.18673,
    "h": 140.2
  },
  "luminance": 0.35511
}

Semantic roles & 50–950 ramp

primary
#51B63A
secondary
#BA86C6
accent
#4DDBC1
background
#F9FCF7
surface
#F1F9ED
border
#CBD2C8
text
#0D1309
muted
#7E827B

Preview Lab

Preview with #51B63A

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

Preview Lab → · Contrast checker → · Palette generator →

#51B63A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva