#51BF6E#51BF6E

#51BF6E is a light, vivid green. Relative luminance 0.401; OKLCH L 72.1% C 0.154 H 149.6°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX#51BF6E
RGBrgb(81, 191, 110)
HSLhsl(136, 46%, 53%)
HSVhsv(136, 58%, 75%)
CMYKcmyk(57.6%, 0%, 42.4%, 25.1%)
CIE-LABlab(69.57, -49.15, 31.63)
CIE-LCHlch(69.57, 58.45, 147.24°)
OKLaboklab(72.08% -0.133 0.0781)
OKLCHoklch(72.08% 0.154 149.6)
XYZxyz(24.8369, 40.1344, 21.1867)
Luminance0.4014 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BF6E #BF51A2
analogous
#6BBF51 #51BF6E #51BFA5
triadic
#51BF6E #6E51BF #BF6E51
tetradic
#51BF6E #516BBF #BF51A2 #BFA551
square
#51BF6E #516BBF #BF51A2 #BFA551
split-complementary
#51BF6E #A551BF #BF516B
monochromatic
#286D3A #399A52 #51BF6E #7ECF93 #AAE0B9

Accessibility & contrast

On white

2.33
#51BF6E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.03
#51BF6E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF6E
9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BF6E#FFFFFF#000000##000000
##51BF6E1.002.339.039.03
#FFFFFF2.331.0021.0021.00
#0000009.0321.001.001.00
##0000009.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0B068
Deuteranopia (green-blind)
#B2A673
Tritanopia (blue-blind)
#35BCAB
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #51bf6e;
/* rgb */ color: rgb(81, 191, 110);
/* oklch */ color: oklch(72.1% 0.154 149.6);
Tailwind
colors: {
  custom: {
    50: '#8bd398',
    500: '#51bf6e',
    950: '#000000',
  },
}
SCSS
$custom: #51bf6e;
$custom-light: #8bd398;
$custom-dark: #000000;
JSON
{
  "hex": "#51bf6e",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 110
  },
  "hsl": {
    "h": 135.818,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72083,
    "c": 0.15424,
    "h": 149.6
  },
  "luminance": 0.40137
}

Semantic roles & 50–950 ramp

primary
#51BF6E
secondary
#CE9EC1
accent
#52B3D6
background
#F9FDF9
surface
#F1FAF2
border
#CBD3CC
text
#0D140E
muted
#7E837E

Preview Lab

Preview with #51BF6E

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

Preview Lab → · Contrast checker → · Palette generator →

#51BF6E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva