#51C340#51C340

#51C340 is a light, vivid green. Relative luminance 0.411; OKLCH L 72.5% C 0.198 H 141.2°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#51C340
RGB	rgb(81, 195, 64)
HSL	hsl(112, 52%, 51%)
HSV	hsv(112, 67%, 76%)
CMYK	cmyk(58.5%, 0%, 67.2%, 23.5%)
CIE-LAB	lab(70.28, -56.60, 54.12)
CIE-LCH	lch(70.28, 78.31, 136.28°)
OKLab	oklab(72.5% -0.1547 0.1244)
OKLCH	oklch(72.5% 0.198 141.2)
XYZ	xyz(23.8327, 41.1476, 11.5358)
Luminance	0.4115 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C340 #B240C3

analogous

#92C340 #51C340 #40C370

triadic

#51C340 #4051C3 #C34051

tetradic

#51C340 #4092C3 #B240C3 #C37040

square

#51C340 #4092C3 #B240C3 #C37040

split-complementary

#51C340 #7040C3 #C34092

monochromatic

#2A6821 #3D972F #51C340 #7BD26F #A6E09D

Accessibility & contrast

On white

2.28

#51C340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#51C340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C340

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C340	#FFFFFF	#000000	##000000
##51C340	1.00	2.28	9.23	9.23
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B22E

Deuteranopia (green-blind)

#BAA84C

Tritanopia (blue-blind)

#41BDA8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51c340;
/* rgb */ color: rgb(81, 195, 64);
/* oklch */ color: oklch(72.5% 0.198 141.2);

Tailwind

colors: {
  custom: {
    50: '#8ed67b',
    500: '#51c340',
    950: '#000000',
  },
}

SCSS

$custom: #51c340;
$custom-light: #8ed67b;
$custom-dark: #000000;

JSON

{
  "hex": "#51c340",
  "rgb": {
    "r": 81,
    "g": 195,
    "b": 64
  },
  "hsl": {
    "h": 112.214,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72498,
    "c": 0.19846,
    "h": 141.2
  },
  "luminance": 0.4115
}

Semantic roles & 50–950 ramp

primary

#51C340

secondary

#C592CC

accent

#4CDCC9

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C340

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

Preview Lab → · Contrast checker → · Palette generator →