#51D239#51D239

#51D239 is a light, highly saturated green. Relative luminance 0.481; OKLCH L 76.3% C 0.220 H 140.8°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#51D239
RGB	rgb(81, 210, 57)
HSL	hsl(111, 63%, 52%)
HSV	hsv(111, 73%, 82%)
CMYK	cmyk(61.4%, 0%, 72.9%, 17.6%)
CIE-LAB	lab(74.91, -62.45, 61.58)
CIE-LCH	lch(74.91, 87.71, 135.40°)
OKLab	oklab(76.31% -0.1709 0.1391)
OKLCH	oklch(76.31% 0.22 140.8)
XYZ	xyz(27.1771, 48.1353, 11.7290)
Luminance	0.4814 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D239 #BA39D2

analogous

#9ED239 #51D239 #39D26D

triadic

#51D239 #3951D2 #D23951

tetradic

#51D239 #399ED2 #BA39D2 #D26D39

square

#51D239 #399ED2 #BA39D2 #D26D39

split-complementary

#51D239 #6D39D2 #D2399E

monochromatic

#29761B #3AA826 #51D239 #7DDD6B #A9E99D

Accessibility & contrast

On white

1.98

#51D239 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#51D239 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D239

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D239	#FFFFFF	#000000	##000000
##51D239	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF1C

Deuteranopia (green-blind)

#C8B449

Tritanopia (blue-blind)

#3DCBB4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51d239;
/* rgb */ color: rgb(81, 210, 57);
/* oklch */ color: oklch(76.3% 0.220 140.8);

Tailwind

colors: {
  custom: {
    50: '#91e179',
    500: '#51d239',
    950: '#000000',
  },
}

SCSS

$custom: #51d239;
$custom-light: #91e179;
$custom-dark: #000000;

JSON

{
  "hex": "#51d239",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 57
  },
  "hsl": {
    "h": 110.588,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.76308,
    "c": 0.22035,
    "h": 140.8
  },
  "luminance": 0.48138
}

Semantic roles & 50–950 ramp

primary

#51D239

secondary

#CA92D5

accent

#42E6CC

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51D239

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

Preview Lab → · Contrast checker → · Palette generator →