#51B150#51B150

#51B150 is a light, vivid green. Relative luminance 0.338; OKLCH L 68.0% C 0.163 H 143.3°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#51B150
RGB	rgb(81, 177, 80)
HSL	hsl(119, 38%, 50%)
HSV	hsv(119, 55%, 69%)
CMYK	cmyk(54.2%, 0%, 54.8%, 30.6%)
CIE-LAB	lab(64.78, -48.03, 40.74)
CIE-LCH	lch(64.78, 62.98, 139.70°)
OKLab	oklab(68.02% -0.1306 0.0972)
OKLCH	oklch(68.02% 0.163 143.3)
XYZ	xyz(20.5624, 33.7711, 13.0228)
Luminance	0.3377 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B150 #B050B1

analogous

#82B150 #51B150 #50B17F

triadic

#51B150 #5051B1 #B15051

tetradic

#51B150 #5082B1 #B050B1 #B17F50

square

#51B150 #5082B1 #B050B1 #B17F50

split-complementary

#51B150 #7F50B1 #B15082

monochromatic

#2A5D29 #3D873C #51B150 #7BC47A #A5D7A5

Accessibility & contrast

On white

2.71

#51B150 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#51B150 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B150

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B150	#FFFFFF	#000000	##000000
##51B150	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A247

Deuteranopia (green-blind)

#A89A57

Tritanopia (blue-blind)

#42AC9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #51b150;
/* rgb */ color: rgb(81, 177, 80);
/* oklch */ color: oklch(68.0% 0.163 143.3);

Tailwind

colors: {
  custom: {
    50: '#8ac984',
    500: '#51b150',
    950: '#000000',
  },
}

SCSS

$custom: #51b150;
$custom-light: #8ac984;
$custom-dark: #000000;

JSON

{
  "hex": "#51b150",
  "rgb": {
    "r": 81,
    "g": 177,
    "b": 80
  },
  "hsl": {
    "h": 119.381,
    "s": 38.34,
    "l": 50.392
  },
  "oklch": {
    "l": 0.68018,
    "c": 0.16281,
    "h": 143.3
  },
  "luminance": 0.33773
}

Semantic roles & 50–950 ramp

primary

#51B150

secondary

#C499C4

accent

#5ACECD

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #51B150

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

Preview Lab → · Contrast checker → · Palette generator →