#51B533#51B533

#51B533 is a light, vivid green. Relative luminance 0.350; OKLCH L 68.8% C 0.190 H 139.5°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX#51B533
RGBrgb(81, 181, 51)
HSLhsl(106, 56%, 45%)
HSVhsv(106, 72%, 71%)
CMYKcmyk(55.2%, 0%, 71.8%, 29%)
CIE-LABlab(65.78, -52.56, 54.48)
CIE-LCHlch(65.78, 75.70, 133.97°)
OKLaboklab(68.75% -0.1445 0.1235)
OKLCHoklch(68.75% 0.19 139.5)
XYZxyz(20.5139, 35.0344, 8.8126)
Luminance0.3504 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B533 #9733B5
analogous
#92B533 #51B533 #33B556
triadic
#51B533 #3351B5 #B53351
tetradic
#51B533 #3392B5 #9733B5 #B55633
square
#51B533 #3392B5 #9733B5 #B55633
split-complementary
#51B533 #5633B5 #B53392
monochromatic
#265618 #3C8526 #51B533 #72CF56 #9ADD86

Accessibility & contrast

On white

2.62
#51B533 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.01
#51B533 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B533
8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B533#FFFFFF#000000##000000
##51B5331.002.628.018.01
#FFFFFF2.621.0021.0021.00
#0000008.0121.001.001.00
##0000008.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAA51D
Deuteranopia (green-blind)
#AD9D40
Tritanopia (blue-blind)
#46AF9B
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #51b533;
/* rgb */ color: rgb(81, 181, 51);
/* oklch */ color: oklch(68.8% 0.190 139.5);
Tailwind
colors: {
  custom: {
    50: '#8ccc73',
    500: '#51b533',
    950: '#000000',
  },
}
SCSS
$custom: #51b533;
$custom-light: #8ccc73;
$custom-dark: #000000;
JSON
{
  "hex": "#51b533",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 51
  },
  "hsl": {
    "h": 106.154,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.68751,
    "c": 0.19008,
    "h": 139.5
  },
  "luminance": 0.35036
}

Semantic roles & 50–950 ramp

primary
#51B533
secondary
#B67DC6
accent
#48DFBD
background
#F9FCF7
surface
#F1F9ED
border
#CBD2C8
text
#0D1308
muted
#7E827B

Preview Lab

Preview with #51B533

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

Preview Lab → · Contrast checker → · Palette generator →

#51B533 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva