#51BF6D#51BF6D

#51BF6D is a light, vivid green. Relative luminance 0.401; OKLCH L 72.1% C 0.155 H 149.3°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX#51BF6D
RGBrgb(81, 191, 109)
HSLhsl(135, 46%, 53%)
HSVhsv(135, 58%, 75%)
CMYKcmyk(57.6%, 0%, 42.9%, 25.1%)
CIE-LABlab(69.55, -49.32, 32.13)
CIE-LCHlch(69.55, 58.86, 146.92°)
OKLaboklab(72.07% -0.1335 0.0792)
OKLCHoklch(72.07% 0.155 149.3)
XYZxyz(24.7827, 40.1128, 20.9016)
Luminance0.4012 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BF6D #BF51A3
analogous
#6CBF51 #51BF6D #51BFA4
triadic
#51BF6D #6D51BF #BF6D51
tetradic
#51BF6D #516CBF #BF51A3 #BFA451
square
#51BF6D #516CBF #BF51A3 #BFA451
split-complementary
#51BF6D #A451BF #BF516C
monochromatic
#286D3A #399A51 #51BF6D #7ECF93 #AAE0B8

Accessibility & contrast

On white

2.33
#51BF6D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.02
#51BF6D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF6D
9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BF6D#FFFFFF#000000##000000
##51BF6D1.002.339.029.02
#FFFFFF2.331.0021.0021.00
#0000009.0221.001.001.00
##0000009.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0B067
Deuteranopia (green-blind)
#B2A672
Tritanopia (blue-blind)
#35BCAB
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #51bf6d;
/* rgb */ color: rgb(81, 191, 109);
/* oklch */ color: oklch(72.1% 0.155 149.3);
Tailwind
colors: {
  custom: {
    50: '#8bd398',
    500: '#51bf6d',
    950: '#000000',
  },
}
SCSS
$custom: #51bf6d;
$custom-light: #8bd398;
$custom-dark: #000000;
JSON
{
  "hex": "#51bf6d",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 109
  },
  "hsl": {
    "h": 135.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72065,
    "c": 0.15519,
    "h": 149.3
  },
  "luminance": 0.40115
}

Semantic roles & 50–950 ramp

primary
#51BF6D
secondary
#CE9EC2
accent
#52B4D6
background
#F9FDF9
surface
#F1FAF2
border
#CBD3CC
text
#0D140E
muted
#7E837E

Preview Lab

Preview with #51BF6D

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

Preview Lab → · Contrast checker → · Palette generator →

#51BF6D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva