#51BB30#51BB30

#51BB30 is a light, vivid green. Relative luminance 0.375; OKLCH L 70.3% C 0.199 H 139.5°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX#51BB30
RGBrgb(81, 187, 48)
HSLhsl(106, 59%, 46%)
HSVhsv(106, 74%, 73%)
CMYKcmyk(56.7%, 0%, 74.3%, 26.7%)
CIE-LABlab(67.65, -54.99, 57.46)
CIE-LCHlch(67.65, 79.53, 133.74°)
OKLaboklab(70.29% -0.1512 0.1293)
OKLCHoklch(70.29% 0.199 139.5)
XYZxyz(21.6963, 37.5015, 8.8909)
Luminance0.3750 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BB30 #9A30BB
analogous
#96BB30 #51BB30 #30BB54
triadic
#51BB30 #3051BB #BB3051
tetradic
#51BB30 #3096BB #9A30BB #BB5430
square
#51BB30 #3096BB #9A30BB #BB5430
split-complementary
#51BB30 #5430BB #BB3096
monochromatic
#275A17 #3C8A23 #51BB30 #73D355 #9BE086

Accessibility & contrast

On white

2.47
#51BB30 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.50
#51BB30 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB30
8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BB30#FFFFFF#000000##000000
##51BB301.002.478.508.50
#FFFFFF2.471.0021.0021.00
#0000008.5021.001.001.00
##0000008.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0AA14
Deuteranopia (green-blind)
#B3A13F
Tritanopia (blue-blind)
#45B5A0
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #51bb30;
/* rgb */ color: rgb(81, 187, 48);
/* oklch */ color: oklch(70.3% 0.199 139.5);
Tailwind
colors: {
  custom: {
    50: '#8dd072',
    500: '#51bb30',
    950: '#000000',
  },
}
SCSS
$custom: #51bb30;
$custom-light: #8dd072;
$custom-dark: #000000;
JSON
{
  "hex": "#51bb30",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 48
  },
  "hsl": {
    "h": 105.755,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.70293,
    "c": 0.19899,
    "h": 139.5
  },
  "luminance": 0.37503
}

Semantic roles & 50–950 ramp

primary
#51BB30
secondary
#B77DC9
accent
#45E2BD
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0D1408
muted
#7E827B

Preview Lab

Preview with #51BB30

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

Preview Lab → · Contrast checker → · Palette generator →

#51BB30 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva