#51DA4A#51DA4A

#51DA4A is a light, highly saturated green. Relative luminance 0.524; OKLCH L 78.5% C 0.219 H 142.4°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#51DA4A
RGB	rgb(81, 218, 74)
HSL	hsl(117, 66%, 57%)
HSV	hsv(117, 66%, 85%)
CMYK	cmyk(62.8%, 0%, 66.1%, 14.5%)
CIE-LAB	lab(77.51, -63.77, 57.88)
CIE-LCH	lch(77.51, 86.12, 137.77°)
OKLab	oklab(78.5% -0.1735 0.1334)
OKLCH	oklch(78.5% 0.219 142.4)
XYZ	xyz(29.6991, 52.3836, 15.0232)
Luminance	0.5239 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA4A #D34ADA

analogous

#99DA4A #51DA4A #4ADA8B

triadic

#51DA4A #4A51DA #DA4A51

tetradic

#51DA4A #4A99DA #D34ADA #DA8B4A

square

#51DA4A #4A99DA #D34ADA #DA8B4A

split-complementary

#51DA4A #8B4ADA #DA4A99

monochromatic

#228D1D #2FC027 #51DA4A #82E47D #B3EFB0

Accessibility & contrast

On white

1.83

#51DA4A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#51DA4A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA4A

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA4A	#FFFFFF	#000000	##000000
##51DA4A	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC637

Deuteranopia (green-blind)

#CEBB57

Tritanopia (blue-blind)

#36D4BD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51da4a;
/* rgb */ color: rgb(81, 218, 74);
/* oklch */ color: oklch(78.5% 0.219 142.4);

Tailwind

colors: {
  custom: {
    50: '#91e783',
    500: '#51da4a',
    950: '#000000',
  },
}

SCSS

$custom: #51da4a;
$custom-light: #91e783;
$custom-dark: #000000;

JSON

{
  "hex": "#51da4a",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 74
  },
  "hsl": {
    "h": 117.083,
    "s": 66.055,
    "l": 57.255
  },
  "oklch": {
    "l": 0.78497,
    "c": 0.21889,
    "h": 142.4
  },
  "luminance": 0.52387
}

Semantic roles & 50–950 ramp

primary

#51DA4A

secondary

#8E3692

accent

#3FE9E1

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DA4A

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

Preview Lab → · Contrast checker → · Palette generator →