#51B023#51B023

#51B023 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.3% C 0.193 H 138.0°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#51B023
RGBrgb(81, 176, 35)
HSLhsl(100, 67%, 41%)
HSVhsv(100, 80%, 69%)
CMYKcmyk(54%, 0%, 80.1%, 31%)
CIE-LABlab(64.10, -51.76, 58.24)
CIE-LCHlch(64.10, 77.91, 131.63°)
OKLaboklab(67.34% -0.1433 0.1291)
OKLCHoklch(67.34% 0.193 138)
XYZxyz(19.2214, 32.9198, 6.9311)
Luminance0.3292 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B023 #8223B0
analogous
#98B023 #51B023 #23B03C
triadic
#51B023 #2351B0 #B02351
tetradic
#51B023 #2398B0 #8223B0 #B03C23
square
#51B023 #2398B0 #8223B0 #B03C23
split-complementary
#51B023 #3C23B0 #B02398
monochromatic
#224A0F #3A7D19 #51B023 #6CD839 #92E26C

Accessibility & contrast

On white

2.77
#51B023 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.58
#51B023 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B023
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B023#FFFFFF#000000##000000
##51B0231.002.777.587.58
#FFFFFF2.771.0021.0021.00
#0000007.5821.001.001.00
##0000007.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6A000
Deuteranopia (green-blind)
#AA9834
Tritanopia (blue-blind)
#49AA96
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #51b023;
/* rgb */ color: rgb(81, 176, 35);
/* oklch */ color: oklch(67.3% 0.193 138.0);
Tailwind
colors: {
  custom: {
    50: '#8cc86a',
    500: '#51b023',
    950: '#000000',
  },
}
SCSS
$custom: #51b023;
$custom-light: #8cc86a;
$custom-dark: #000000;
JSON
{
  "hex": "#51b023",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 35
  },
  "hsl": {
    "h": 100.426,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67336,
    "c": 0.19286,
    "h": 138
  },
  "luminance": 0.32921
}

Semantic roles & 50–950 ramp

primary
#51B023
secondary
#A867C8
accent
#3EEAB2
background
#F9FCF6
surface
#F1F8EC
border
#CBD1C7
text
#0D1307
muted
#7E827A

Preview Lab

Preview with #51B023

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

Preview Lab → · Contrast checker → · Palette generator →

#51B023 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva