#51DB39#51DB39

#51DB39 is a light, highly saturated green. Relative luminance 0.527; OKLCH L 78.6% C 0.230 H 141.0°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#51DB39
RGB	rgb(81, 219, 57)
HSL	hsl(111, 69%, 54%)
HSV	hsv(111, 74%, 86%)
CMYK	cmyk(63%, 0%, 74%, 14.1%)
CIE-LAB	lab(77.70, -65.50, 64.37)
CIE-LCH	lch(77.70, 91.84, 135.50°)
OKLab	oklab(78.62% -0.1791 0.145)
OKLCH	oklch(78.62% 0.23 141)
XYZ	xyz(29.4619, 52.7049, 12.4905)
Luminance	0.5271 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB39 #C339DB

analogous

#A2DB39 #51DB39 #39DB72

triadic

#51DB39 #3951DB #DB3951

tetradic

#51DB39 #39A2DB #C339DB #DB7239

square

#51DB39 #39A2DB #C339DB #DB7239

split-complementary

#51DB39 #7239DB #DB39A2

monochromatic

#278218 #37B621 #51DB39 #7FE46D #ACEEA1

Accessibility & contrast

On white

1.82

#51DB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#51DB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB39

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB39	#FFFFFF	#000000	##000000
##51DB39	1.00	1.82	11.54	11.54
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.54	21.00	1.00	1.00
##000000	11.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C717

Deuteranopia (green-blind)

#D0BC4A

Tritanopia (blue-blind)

#3AD4BC

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51db39;
/* rgb */ color: rgb(81, 219, 57);
/* oklch */ color: oklch(78.6% 0.230 141.0);

Tailwind

colors: {
  custom: {
    50: '#92e77a',
    500: '#51db39',
    950: '#000000',
  },
}

SCSS

$custom: #51db39;
$custom-light: #92e77a;
$custom-dark: #000000;

JSON

{
  "hex": "#51db39",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 57
  },
  "hsl": {
    "h": 111.111,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.78617,
    "c": 0.23041,
    "h": 141
  },
  "luminance": 0.52708
}

Semantic roles & 50–950 ramp

primary

#51DB39

secondary

#7C2F89

accent

#3CECD2

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #51DB39

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

Preview Lab → · Contrast checker → · Palette generator →