#51BE3B#51BE3B

#51BE3B is a light, vivid green. Relative luminance 0.389; OKLCH L 71.2% C 0.196 H 140.6°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#51BE3B
RGB	rgb(81, 190, 59)
HSL	hsl(110, 53%, 49%)
HSV	hsv(110, 69%, 75%)
CMYK	cmyk(57.4%, 0%, 68.9%, 25.5%)
CIE-LAB	lab(68.67, -55.22, 54.41)
CIE-LCH	lch(68.67, 77.52, 135.43°)
OKLab	oklab(71.16% -0.1512 0.1244)
OKLCH	oklch(71.16% 0.196 140.6)
XYZ	xyz(22.5952, 38.8900, 10.4526)
Luminance	0.3889 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BE3B #A83BBE

analogous

#93BE3B #51BE3B #3BBE67

triadic

#51BE3B #3B51BE #BE3B51

tetradic

#51BE3B #3B93BE #A83BBE #BE673B

square

#51BE3B #3B93BE #A83BBE #BE673B

split-complementary

#51BE3B #673BBE #BE3B93

monochromatic

#29611E #3D8F2C #51BE3B #78D067 #A1DE95

Accessibility & contrast

On white

2.39

#51BE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#51BE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BE3B

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BE3B	#FFFFFF	#000000	##000000
##51BE3B	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD28

Deuteranopia (green-blind)

#B5A447

Tritanopia (blue-blind)

#43B8A4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51be3b;
/* rgb */ color: rgb(81, 190, 59);
/* oklch */ color: oklch(71.2% 0.196 140.6);

Tailwind

colors: {
  custom: {
    50: '#8dd278',
    500: '#51be3b',
    950: '#000000',
  },
}

SCSS

$custom: #51be3b;
$custom-light: #8dd278;
$custom-dark: #000000;

JSON

{
  "hex": "#51be3b",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 59
  },
  "hsl": {
    "h": 109.924,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71158,
    "c": 0.1958,
    "h": 140.6
  },
  "luminance": 0.38892
}

Semantic roles & 50–950 ramp

primary

#51BE3B

secondary

#BF8BCA

accent

#4CDCC4

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BE3B

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

Preview Lab → · Contrast checker → · Palette generator →