#51B42E#51B42E

#51B42E is a light, vivid green. Relative luminance 0.346; OKLCH L 68.5% C 0.192 H 139.0°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#51B42E
RGB	rgb(81, 180, 46)
HSL	hsl(104, 59%, 44%)
HSV	hsv(104, 74%, 71%)
CMYK	cmyk(55%, 0%, 74.4%, 29.4%)
CIE-LAB	lab(65.43, -52.56, 55.95)
CIE-LCH	lch(65.43, 76.76, 133.21°)
OKLab	oklab(68.45% -0.1448 0.1259)
OKLCH	oklch(68.45% 0.192 139)
XYZ	xyz(20.2069, 34.5875, 8.1955)
Luminance	0.3459 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B42E #912EB4

analogous

#94B42E #51B42E #2EB44E

triadic

#51B42E #2E51B4 #B42E51

tetradic

#51B42E #2E94B4 #912EB4 #B44E2E

square

#51B42E #2E94B4 #912EB4 #B44E2E

split-complementary

#51B42E #4E2EB4 #B42E94

monochromatic

#255315 #3B8322 #51B42E #70D24E #97DE7E

Accessibility & contrast

On white

2.65

#51B42E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#51B42E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B42E

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B42E	#FFFFFF	#000000	##000000
##51B42E	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A413

Deuteranopia (green-blind)

#AD9C3C

Tritanopia (blue-blind)

#47AE9A

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #51b42e;
/* rgb */ color: rgb(81, 180, 46);
/* oklch */ color: oklch(68.5% 0.192 139.0);

Tailwind

colors: {
  custom: {
    50: '#8ccb70',
    500: '#51b42e',
    950: '#000000',
  },
}

SCSS

$custom: #51b42e;
$custom-light: #8ccb70;
$custom-dark: #000000;

JSON

{
  "hex": "#51b42e",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 46
  },
  "hsl": {
    "h": 104.328,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.68453,
    "c": 0.19187,
    "h": 139
  },
  "luminance": 0.34589
}

Semantic roles & 50–950 ramp

primary

#51B42E

secondary

#B277C7

accent

#45E2B9

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B42E

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

Preview Lab → · Contrast checker → · Palette generator →