#51B528#51B528

#51B528 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.7% C 0.196 H 138.6°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#51B528
RGBrgb(81, 181, 40)
HSLhsl(103, 64%, 43%)
HSVhsv(103, 78%, 71%)
CMYKcmyk(55.2%, 0%, 77.9%, 29%)
CIE-LABlab(65.71, -53.32, 58.23)
CIE-LCHlch(65.71, 78.96, 132.48°)
OKLaboklab(68.68% -0.1472 0.1298)
OKLCHoklch(68.68% 0.196 138.6)
XYZxyz(20.2994, 34.9486, 7.6831)
Luminance0.3495 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B528 #8C28B5
analogous
#97B528 #51B528 #28B545
triadic
#51B528 #2851B5 #B52851
tetradic
#51B528 #2897B5 #8C28B5 #B54528
square
#51B528 #2897B5 #8C28B5 #B54528
split-complementary
#51B528 #4528B5 #B52897
monochromatic
#245112 #3B831D #51B528 #6FD644 #95E177

Accessibility & contrast

On white

2.63
#51B528 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.99
#51B528 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B528
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B528#FFFFFF#000000##000000
##51B5281.002.637.997.99
#FFFFFF2.631.0021.0021.00
#0000007.9921.001.001.00
##0000007.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBA500
Deuteranopia (green-blind)
#AE9C38
Tritanopia (blue-blind)
#48AF9B
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #51b528;
/* rgb */ color: rgb(81, 181, 40);
/* oklch */ color: oklch(68.7% 0.196 138.6);
Tailwind
colors: {
  custom: {
    50: '#8ccc6d',
    500: '#51b528',
    950: '#000000',
  },
}
SCSS
$custom: #51b528;
$custom-light: #8ccc6d;
$custom-dark: #000000;
JSON
{
  "hex": "#51b528",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 40
  },
  "hsl": {
    "h": 102.553,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.68675,
    "c": 0.19625,
    "h": 138.6
  },
  "luminance": 0.3495
}

Semantic roles & 50–950 ramp

primary
#51B528
secondary
#AF70C8
accent
#41E7B7
background
#F9FCF6
surface
#F1F9EC
border
#CBD2C7
text
#0D1308
muted
#7E827B

Preview Lab

Preview with #51B528

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

Preview Lab → · Contrast checker → · Palette generator →

#51B528 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva