#51B52F#51B52F

#51B52F is a light, vivid green. Relative luminance 0.350; OKLCH L 68.7% C 0.192 H 139.1°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#51B52F
RGB	rgb(81, 181, 47)
HSL	hsl(105, 59%, 45%)
HSV	hsv(105, 74%, 71%)
CMYK	cmyk(55.2%, 0%, 74%, 29%)
CIE-LAB	lab(65.75, -52.86, 55.91)
CIE-LCH	lch(65.75, 76.94, 133.39°)
OKLab	oklab(68.72% -0.1456 0.126)
OKLCH	oklch(68.72% 0.192 139.1)
XYZ	xyz(20.4295, 35.0006, 8.3680)
Luminance	0.3500 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B52F #932FB5

analogous

#94B52F #51B52F #2FB550

triadic

#51B52F #2F51B5 #B52F51

tetradic

#51B52F #2F94B5 #932FB5 #B5502F

square

#51B52F #2F94B5 #932FB5 #B5502F

split-complementary

#51B52F #502FB5 #B52F94

monochromatic

#265416 #3B8422 #51B52F #71D150 #98DE80

Accessibility & contrast

On white

2.62

#51B52F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#51B52F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B52F

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B52F	#FFFFFF	#000000	##000000
##51B52F	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA515

Deuteranopia (green-blind)

#AE9D3D

Tritanopia (blue-blind)

#47AF9B

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b52f;
/* rgb */ color: rgb(81, 181, 47);
/* oklch */ color: oklch(68.7% 0.192 139.1);

Tailwind

colors: {
  custom: {
    50: '#8ccc70',
    500: '#51b52f',
    950: '#000000',
  },
}

SCSS

$custom: #51b52f;
$custom-light: #8ccc70;
$custom-dark: #000000;

JSON

{
  "hex": "#51b52f",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 47
  },
  "hsl": {
    "h": 104.776,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.68721,
    "c": 0.19248,
    "h": 139.1
  },
  "luminance": 0.35002
}

Semantic roles & 50–950 ramp

primary

#51B52F

secondary

#B379C7

accent

#46E2BA

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B52F

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

Preview Lab → · Contrast checker → · Palette generator →