#51BF3D#51BF3D

#51BF3D is a light, vivid green. Relative luminance 0.393; OKLCH L 71.4% C 0.196 H 140.8°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#51BF3D
RGB	rgb(81, 191, 61)
HSL	hsl(111, 52%, 49%)
HSV	hsv(111, 68%, 75%)
CMYK	cmyk(57.6%, 0%, 68.1%, 25.1%)
CIE-LAB	lab(69.00, -55.41, 53.96)
CIE-LCH	lch(69.00, 77.35, 135.76°)
OKLab	oklab(71.44% -0.1516 0.1237)
OKLCH	oklch(71.44% 0.196 140.8)
XYZ	xyz(22.8654, 39.3458, 10.8035)
Luminance	0.3935 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF3D #AB3DBF

analogous

#92BF3D #51BF3D #3DBF6A

triadic

#51BF3D #3D51BF #BF3D51

tetradic

#51BF3D #3D92BF #AB3DBF #BF6A3D

square

#51BF3D #3D92BF #AB3DBF #BF6A3D

split-complementary

#51BF3D #6A3DBF #BF3D92

monochromatic

#2A621F #3D912E #51BF3D #79CF6A #A3DE98

Accessibility & contrast

On white

2.37

#51BF3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#51BF3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF3D

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF3D	#FFFFFF	#000000	##000000
##51BF3D	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE2B

Deuteranopia (green-blind)

#B6A549

Tritanopia (blue-blind)

#42B9A5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bf3d;
/* rgb */ color: rgb(81, 191, 61);
/* oklch */ color: oklch(71.4% 0.196 140.8);

Tailwind

colors: {
  custom: {
    50: '#8dd379',
    500: '#51bf3d',
    950: '#000000',
  },
}

SCSS

$custom: #51bf3d;
$custom-light: #8dd379;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf3d",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 61
  },
  "hsl": {
    "h": 110.769,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.71435,
    "c": 0.19567,
    "h": 140.8
  },
  "luminance": 0.39348
}

Semantic roles & 50–950 ramp

primary

#51BF3D

secondary

#C18ECA

accent

#4DDBC5

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BF3D

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

Preview Lab → · Contrast checker → · Palette generator →