#51D340#51D340

#51D340 is a light, highly saturated green. Relative luminance 0.487; OKLCH L 76.6% C 0.217 H 141.4°. Best body text is #000000 at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#51D340
RGB	rgb(81, 211, 64)
HSL	hsl(113, 63%, 54%)
HSV	hsv(113, 70%, 83%)
CMYK	cmyk(61.6%, 0%, 69.7%, 17.3%)
CIE-LAB	lab(75.27, -62.25, 59.40)
CIE-LCH	lch(75.27, 86.04, 136.34°)
OKLab	oklab(76.62% -0.1699 0.1354)
OKLCH	oklch(76.62% 0.217 141.4)
XYZ	xyz(27.6116, 48.7054, 12.7955)
Luminance	0.4871 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D340 #C240D3

analogous

#9BD340 #51D340 #40D379

triadic

#51D340 #4051D3 #D34051

tetradic

#51D340 #409BD3 #C240D3 #D37940

square

#51D340 #409BD3 #C240D3 #D37940

split-complementary

#51D340 #7940D3 #D3409B

monochromatic

#287C1D #37AE28 #51D340 #7EDE72 #ACEAA3

Accessibility & contrast

On white

1.96

#51D340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.74

#51D340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D340

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D340	#FFFFFF	#000000	##000000
##51D340	1.00	1.96	10.74	10.74
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.74	21.00	1.00	1.00
##000000	10.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C029

Deuteranopia (green-blind)

#C8B54E

Tritanopia (blue-blind)

#3BCDB6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d340;
/* rgb */ color: rgb(81, 211, 64);
/* oklch */ color: oklch(76.6% 0.217 141.4);

Tailwind

colors: {
  custom: {
    50: '#90e27d',
    500: '#51d340',
    950: '#000000',
  },
}

SCSS

$custom: #51d340;
$custom-light: #90e27d;
$custom-dark: #000000;

JSON

{
  "hex": "#51d340",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 64
  },
  "hsl": {
    "h": 113.061,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76619,
    "c": 0.21732,
    "h": 141.4
  },
  "luminance": 0.48708
}

Semantic roles & 50–950 ramp

primary

#51D340

secondary

#D098D7

accent

#42E6D3

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51D340

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

Preview Lab → · Contrast checker → · Palette generator →