#51BC31#51BC31

#51BC31 is a light, vivid green. Relative luminance 0.379; OKLCH L 70.6% C 0.200 H 139.6°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#51BC31
RGB	rgb(81, 188, 49)
HSL	hsl(106, 59%, 46%)
HSV	hsv(106, 74%, 74%)
CMYK	cmyk(56.9%, 0%, 73.9%, 26.3%)
CIE-LAB	lab(67.97, -55.28, 57.43)
CIE-LCH	lch(67.97, 79.71, 133.91°)
OKLab	oklab(70.56% -0.152 0.1294)
OKLCH	oklch(70.56% 0.2 139.6)
XYZ	xyz(21.9300, 37.9356, 9.0718)
Luminance	0.3794 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC31 #9C31BC

analogous

#97BC31 #51BC31 #31BC57

triadic

#51BC31 #3151BC #BC3151

tetradic

#51BC31 #3197BC #9C31BC #BC5731

square

#51BC31 #3197BC #9C31BC #BC5731

split-complementary

#51BC31 #5731BC #BC3197

monochromatic

#275B18 #3C8B24 #51BC31 #74D357 #9CE088

Accessibility & contrast

On white

2.45

#51BC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#51BC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC31

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC31	#FFFFFF	#000000	##000000
##51BC31	1.00	2.45	8.59	8.59
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB16

Deuteranopia (green-blind)

#B4A23F

Tritanopia (blue-blind)

#45B6A1

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc31;
/* rgb */ color: rgb(81, 188, 49);
/* oklch */ color: oklch(70.6% 0.200 139.6);

Tailwind

colors: {
  custom: {
    50: '#8dd172',
    500: '#51bc31',
    950: '#000000',
  },
}

SCSS

$custom: #51bc31;
$custom-light: #8dd172;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc31",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 49
  },
  "hsl": {
    "h": 106.187,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.7056,
    "c": 0.1996,
    "h": 139.6
  },
  "luminance": 0.37938
}

Semantic roles & 50–950 ramp

primary

#51BC31

secondary

#B87FCA

accent

#46E2BE

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51BC31

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

Preview Lab → · Contrast checker → · Palette generator →