#51DA39#51DA39

#51DA39 is a light, highly saturated green. Relative luminance 0.522; OKLCH L 78.4% C 0.229 H 141.0°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#51DA39
RGB	rgb(81, 218, 57)
HSL	hsl(111, 69%, 54%)
HSV	hsv(111, 74%, 85%)
CMYK	cmyk(62.8%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(77.39, -65.16, 64.07)
CIE-LCH	lch(77.39, 91.38, 135.49°)
OKLab	oklab(78.36% -0.1782 0.1443)
OKLCH	oklch(78.36% 0.229 141)
XYZ	xyz(29.2018, 52.1847, 12.4038)
Luminance	0.5219 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA39 #C239DA

analogous

#A2DA39 #51DA39 #39DA72

triadic

#51DA39 #3951DA #DA3951

tetradic

#51DA39 #39A2DA #C239DA #DA7239

square

#51DA39 #39A2DA #C239DA #DA7239

split-complementary

#51DA39 #7239DA #DA39A2

monochromatic

#288118 #37B422 #51DA39 #7EE46D #ACEDA0

Accessibility & contrast

On white

1.84

#51DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#51DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA39

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA39	#FFFFFF	#000000	##000000
##51DA39	1.00	1.84	11.44	11.44
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.44	21.00	1.00	1.00
##000000	11.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C618

Deuteranopia (green-blind)

#CFBB4A

Tritanopia (blue-blind)

#3AD3BB

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51da39;
/* rgb */ color: rgb(81, 218, 57);
/* oklch */ color: oklch(78.4% 0.229 141.0);

Tailwind

colors: {
  custom: {
    50: '#92e77a',
    500: '#51da39',
    950: '#000000',
  },
}

SCSS

$custom: #51da39;
$custom-light: #92e77a;
$custom-dark: #000000;

JSON

{
  "hex": "#51da39",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 111.056,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78361,
    "c": 0.2293,
    "h": 141
  },
  "luminance": 0.52188
}

Semantic roles & 50–950 ramp

primary

#51DA39

secondary

#7A3088

accent

#3CEBD1

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #51DA39

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

Preview Lab → · Contrast checker → · Palette generator →