#51BB36#51BB36

#51BB36 is a light, vivid green. Relative luminance 0.376; OKLCH L 70.3% C 0.195 H 140.0°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#51BB36
RGB	rgb(81, 187, 54)
HSL	hsl(108, 55%, 47%)
HSV	hsv(108, 71%, 73%)
CMYK	cmyk(56.7%, 0%, 71.1%, 26.7%)
CIE-LAB	lab(67.69, -54.54, 55.32)
CIE-LCH	lch(67.69, 77.68, 134.60°)
OKLab	oklab(70.34% -0.1497 0.1256)
OKLCH	oklch(70.34% 0.195 140)
XYZ	xyz(21.8286, 37.5545, 9.5877)
Luminance	0.3756 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB36 #A036BB

analogous

#93BB36 #51BB36 #36BB5E

triadic

#51BB36 #3651BB #BB3651

tetradic

#51BB36 #3693BB #A036BB #BB5E36

square

#51BB36 #3693BB #A036BB #BB5E36

split-complementary

#51BB36 #5E36BB #BB3693

monochromatic

#285C1B #3C8C28 #51BB36 #75D05E #9EDE8D

Accessibility & contrast

On white

2.47

#51BB36 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#51BB36 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB36

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB36	#FFFFFF	#000000	##000000
##51BB36	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA20

Deuteranopia (green-blind)

#B3A243

Tritanopia (blue-blind)

#44B5A1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb36;
/* rgb */ color: rgb(81, 187, 54);
/* oklch */ color: oklch(70.3% 0.195 140.0);

Tailwind

colors: {
  custom: {
    50: '#8dd075',
    500: '#51bb36',
    950: '#000000',
  },
}

SCSS

$custom: #51bb36;
$custom-light: #8dd075;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb36",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 54
  },
  "hsl": {
    "h": 107.82,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.70338,
    "c": 0.19542,
    "h": 140
  },
  "luminance": 0.37556
}

Semantic roles & 50–950 ramp

primary

#51BB36

secondary

#BB84C9

accent

#49DFC0

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #51BB36

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

Preview Lab → · Contrast checker → · Palette generator →