#51B730#51B730

#51B730 is a light, vivid green. Relative luminance 0.358; OKLCH L 69.3% C 0.194 H 139.3°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#51B730
RGB	rgb(81, 183, 48)
HSL	hsl(105, 58%, 45%)
HSV	hsv(105, 74%, 72%)
CMYK	cmyk(55.7%, 0%, 73.8%, 28.2%)
CIE-LAB	lab(66.39, -53.53, 56.20)
CIE-LCH	lch(66.39, 77.61, 133.61°)
OKLab	oklab(69.25% -0.1473 0.1267)
OKLCH	oklch(69.25% 0.194 139.3)
XYZ	xyz(20.8595, 35.8280, 8.6120)
Luminance	0.3583 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B730 #9630B7

analogous

#95B730 #51B730 #30B752

triadic

#51B730 #3051B7 #B73051

tetradic

#51B730 #3095B7 #9630B7 #B75230

square

#51B730 #3095B7 #9630B7 #B75230

split-complementary

#51B730 #5230B7 #B73095

monochromatic

#265617 #3C8723 #51B730 #72D252 #99DE83

Accessibility & contrast

On white

2.57

#51B730 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#51B730 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B730

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B730	#FFFFFF	#000000	##000000
##51B730	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA716

Deuteranopia (green-blind)

#AF9E3E

Tritanopia (blue-blind)

#46B19D

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b730;
/* rgb */ color: rgb(81, 183, 48);
/* oklch */ color: oklch(69.3% 0.194 139.3);

Tailwind

colors: {
  custom: {
    50: '#8ccd71',
    500: '#51b730',
    950: '#000000',
  },
}

SCSS

$custom: #51b730;
$custom-light: #8ccd71;
$custom-dark: #000000;

JSON

{
  "hex": "#51b730",
  "rgb": {
    "r": 81,
    "g": 183,
    "b": 48
  },
  "hsl": {
    "h": 105.333,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6925,
    "c": 0.19427,
    "h": 139.3
  },
  "luminance": 0.3583
}

Semantic roles & 50–950 ramp

primary

#51B730

secondary

#B57BC8

accent

#46E2BC

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B730

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

Preview Lab → · Contrast checker → · Palette generator →