#51BC39#51BC39

#51BC39 is a light, vivid green. Relative luminance 0.380; OKLCH L 70.6% C 0.195 H 140.3°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#51BC39
RGB	rgb(81, 188, 57)
HSL	hsl(109, 53%, 48%)
HSV	hsv(109, 70%, 74%)
CMYK	cmyk(56.9%, 0%, 69.7%, 26.3%)
CIE-LAB	lab(68.03, -54.66, 54.52)
CIE-LCH	lch(68.03, 77.20, 135.08°)
OKLab	oklab(70.62% -0.1498 0.1244)
OKLCH	oklch(70.62% 0.195 140.3)
XYZ	xyz(22.1141, 38.0093, 10.0413)
Luminance	0.3801 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC39 #A439BC

analogous

#92BC39 #51BC39 #39BC63

triadic

#51BC39 #3951BC #BC3951

tetradic

#51BC39 #3992BC #A439BC #BC6339

square

#51BC39 #3992BC #A439BC #BC6339

split-complementary

#51BC39 #6339BC #BC3992

monochromatic

#295E1D #3D8D2B #51BC39 #77D063 #A0DE92

Accessibility & contrast

On white

2.44

#51BC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#51BC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC39

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC39	#FFFFFF	#000000	##000000
##51BC39	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB25

Deuteranopia (green-blind)

#B4A245

Tritanopia (blue-blind)

#44B6A2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc39;
/* rgb */ color: rgb(81, 188, 57);
/* oklch */ color: oklch(70.6% 0.195 140.3);

Tailwind

colors: {
  custom: {
    50: '#8dd176',
    500: '#51bc39',
    950: '#000000',
  },
}

SCSS

$custom: #51bc39;
$custom-light: #8dd176;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc39",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 57
  },
  "hsl": {
    "h": 109.008,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70622,
    "c": 0.19471,
    "h": 140.3
  },
  "luminance": 0.38011
}

Semantic roles & 50–950 ramp

primary

#51BC39

secondary

#BD88C9

accent

#4BDDC2

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #51BC39

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

Preview Lab → · Contrast checker → · Palette generator →