#51B030#51B030

#51B030 is a light, vivid green. Relative luminance 0.330; OKLCH L 67.4% C 0.186 H 139.0°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#51B030
RGB	rgb(81, 176, 48)
HSL	hsl(105, 57%, 44%)
HSV	hsv(105, 73%, 69%)
CMYK	cmyk(54%, 0%, 72.7%, 31%)
CIE-LAB	lab(64.17, -50.91, 53.96)
CIE-LCH	lch(64.17, 74.19, 133.33°)
OKLab	oklab(67.42% -0.1402 0.122)
OKLCH	oklch(67.42% 0.186 139)
XYZ	xyz(19.4514, 33.0118, 8.1426)
Luminance	0.3301 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B030 #8F30B0

analogous

#91B030 #51B030 #30B04F

triadic

#51B030 #3051B0 #B03051

tetradic

#51B030 #3091B0 #8F30B0 #B04F30

square

#51B030 #3091B0 #8F30B0 #B04F30

split-complementary

#51B030 #4F30B0 #B03091

monochromatic

#255016 #3B8023 #51B030 #6FCF4E #97DC7E

Accessibility & contrast

On white

2.76

#51B030 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#51B030 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B030

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B030	#FFFFFF	#000000	##000000
##51B030	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A019

Deuteranopia (green-blind)

#A9993D

Tritanopia (blue-blind)

#48AA97

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51b030;
/* rgb */ color: rgb(81, 176, 48);
/* oklch */ color: oklch(67.4% 0.186 139.0);

Tailwind

colors: {
  custom: {
    50: '#8bc870',
    500: '#51b030',
    950: '#000000',
  },
}

SCSS

$custom: #51b030;
$custom-light: #8bc870;
$custom-dark: #000000;

JSON

{
  "hex": "#51b030",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 48
  },
  "hsl": {
    "h": 104.531,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.67421,
    "c": 0.18589,
    "h": 139
  },
  "luminance": 0.33013
}

Semantic roles & 50–950 ramp

primary

#51B030

secondary

#B177C5

accent

#47E0B9

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B030

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

Preview Lab → · Contrast checker → · Palette generator →