#51B563#51B563

#51B563 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.3% C 0.151 H 147.5°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX#51B563
RGBrgb(81, 181, 99)
HSLhsl(131, 40%, 51%)
HSVhsv(131, 55%, 71%)
CMYKcmyk(55.2%, 0%, 45.3%, 29%)
CIE-LABlab(66.29, -46.91, 33.08)
CIE-LCHlch(66.29, 57.40, 144.81°)
OKLaboklab(69.34% -0.1271 0.0811)
OKLCHoklch(69.34% 0.151 147.5)
XYZxyz(22.1679, 35.6960, 17.5238)
Luminance0.3570 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B563 #B551A3
analogous
#71B551 #51B563 #51B595
triadic
#51B563 #6351B5 #B56351
tetradic
#51B563 #5171B5 #B551A3 #B59551
square
#51B563 #5171B5 #B551A3 #B59551
split-complementary
#51B563 #9551B5 #B55171
monochromatic
#2A6234 #3C8D4A #51B563 #7CC789 #A7DAB0

Accessibility & contrast

On white

2.58
#51B563 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.14
#51B563 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B563
8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B563#FFFFFF#000000##000000
##51B5631.002.588.148.14
#FFFFFF2.581.0021.0021.00
#0000008.1421.001.001.00
##0000008.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7A75D
Deuteranopia (green-blind)
#AA9E68
Tritanopia (blue-blind)
#3CB1A1
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #51b563;
/* rgb */ color: rgb(81, 181, 99);
/* oklch */ color: oklch(69.3% 0.151 147.5);
Tailwind
colors: {
  custom: {
    50: '#8acc90',
    500: '#51b563',
    950: '#000000',
  },
}
SCSS
$custom: #51b563;
$custom-light: #8acc90;
$custom-dark: #000000;
JSON
{
  "hex": "#51b563",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 99
  },
  "hsl": {
    "h": 130.8,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69337,
    "c": 0.15072,
    "h": 147.5
  },
  "luminance": 0.35698
}

Semantic roles & 50–950 ramp

primary
#51B563
secondary
#C79BBF
accent
#58BAD0
background
#F8FCF8
surface
#F0F9F0
border
#CBD2CB
text
#0C130D
muted
#7D827D

Preview Lab

Preview with #51B563

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

Preview Lab → · Contrast checker → · Palette generator →

#51B563 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva