#51BB25#51BB25

#51BB25 is a light, highly saturated green. Relative luminance 0.374; OKLCH L 70.2% C 0.205 H 138.7°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX#51BB25
RGBrgb(81, 187, 37)
HSLhsl(102, 67%, 44%)
HSVhsv(102, 80%, 73%)
CMYKcmyk(56.7%, 0%, 80.2%, 26.7%)
CIE-LABlab(67.59, -55.67, 60.92)
CIE-LCHlch(67.59, 82.53, 132.42°)
OKLaboklab(70.23% -0.1537 0.135)
OKLCHoklch(70.23% 0.205 138.7)
XYZxyz(21.4968, 37.4217, 7.8402)
Luminance0.3742 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BB25 #8F25BB
analogous
#9CBB25 #51BB25 #25BB44
triadic
#51BB25 #2551BB #BB2551
tetradic
#51BB25 #259CBB #8F25BB #BB4425
square
#51BB25 #259CBB #8F25BB #BB4425
split-complementary
#51BB25 #4425BB #BB259C
monochromatic
#255511 #3B881B #51BB25 #6FDA43 #97E476

Accessibility & contrast

On white

2.48
#51BB25 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.48
#51BB25 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB25
8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BB25#FFFFFF#000000##000000
##51BB251.002.488.488.48
#FFFFFF2.481.0021.0021.00
#0000008.4821.001.001.00
##0000008.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1AA00
Deuteranopia (green-blind)
#B4A137
Tritanopia (blue-blind)
#46B4A0
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #51bb25;
/* rgb */ color: rgb(81, 187, 37);
/* oklch */ color: oklch(70.2% 0.205 138.7);
Tailwind
colors: {
  custom: {
    50: '#8ed06d',
    500: '#51bb25',
    950: '#000000',
  },
}
SCSS
$custom: #51bb25;
$custom-light: #8ed06d;
$custom-dark: #000000;
JSON
{
  "hex": "#51bb25",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 37
  },
  "hsl": {
    "h": 102.4,
    "s": 66.964,
    "l": 43.922
  },
  "oklch": {
    "l": 0.70225,
    "c": 0.20456,
    "h": 138.7
  },
  "luminance": 0.37424
}

Semantic roles & 50–950 ramp

primary
#51BB25
secondary
#B170CB
accent
#3EEAB7
background
#F9FCF6
surface
#F2F9EC
border
#CCD2C7
text
#0D1408
muted
#7E827B

Preview Lab

Preview with #51BB25

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

Preview Lab → · Contrast checker → · Palette generator →

#51BB25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva