#51C129#51C129

#51C129 is a light, highly saturated green. Relative luminance 0.400; OKLCH L 71.8% C 0.209 H 139.2°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#51C129
RGBrgb(81, 193, 41)
HSLhsl(104, 65%, 46%)
HSVhsv(104, 79%, 76%)
CMYKcmyk(58%, 0%, 78.8%, 24.3%)
CIE-LABlab(69.50, -57.59, 61.53)
CIE-LCHlch(69.50, 84.28, 133.10°)
OKLaboklab(71.81% -0.1586 0.1368)
OKLCHoklch(71.81% 0.21 139.2)
XYZxyz(22.8626, 40.0473, 8.6225)
Luminance0.4005 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C129 #9929C1
analogous
#9DC129 #51C129 #29C14D
triadic
#51C129 #2951C1 #C12951
tetradic
#51C129 #299DC1 #9929C1 #C14D29
square
#51C129 #299DC1 #9929C1 #C14D29
split-complementary
#51C129 #4D29C1 #C1299D
monochromatic
#275C14 #3C8F1E #51C129 #73D94E #9BE480

Accessibility & contrast

On white

2.33
#51C129 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.01
#51C129 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C129
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C129#FFFFFF#000000##000000
##51C1291.002.339.019.01
#FFFFFF2.331.0021.0021.00
#0000009.0121.001.001.00
##0000009.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C7AF00
Deuteranopia (green-blind)
#B9A63B
Tritanopia (blue-blind)
#44BAA5
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #51c129;
/* rgb */ color: rgb(81, 193, 41);
/* oklch */ color: oklch(71.8% 0.209 139.2);
Tailwind
colors: {
  custom: {
    50: '#8ed56f',
    500: '#51c129',
    950: '#000000',
  },
}
SCSS
$custom: #51c129;
$custom-light: #8ed56f;
$custom-dark: #000000;
JSON
{
  "hex": "#51c129",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 41
  },
  "hsl": {
    "h": 104.211,
    "s": 64.957,
    "l": 45.882
  },
  "oklch": {
    "l": 0.71809,
    "c": 0.2095,
    "h": 139.2
  },
  "luminance": 0.40049
}

Semantic roles & 50–950 ramp

primary
#51C129
secondary
#B779CD
accent
#40E8BC
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0E1408
muted
#7E837B

Preview Lab

Preview with #51C129

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

Preview Lab → · Contrast checker → · Palette generator →

#51C129 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva