#51B63A#51B63A

#51B63A is a light, vivid green. Relative luminance 0.355; OKLCH L 69.1% C 0.187 H 140.2°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#51B63A
RGB	rgb(81, 182, 58)
HSL	hsl(109, 52%, 47%)
HSV	hsv(109, 68%, 71%)
CMYK	cmyk(55.5%, 0%, 68.1%, 28.6%)
CIE-LAB	lab(66.14, -52.35, 52.13)
CIE-LCH	lch(66.14, 73.88, 135.12°)
OKLab	oklab(69.07% -0.1435 0.1195)
OKLCH	oklch(69.07% 0.187 140.2)
XYZ	xyz(20.8841, 35.5090, 9.7556)
Luminance	0.3551 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B63A #9F3AB6

analogous

#8FB63A #51B63A #3AB661

triadic

#51B63A #3A51B6 #B63A51

tetradic

#51B63A #3A8FB6 #9F3AB6 #B6613A

square

#51B63A #3A8FB6 #9F3AB6 #B6613A

split-complementary

#51B63A #613AB6 #B63A8F

monochromatic

#28591C #3C882B #51B63A #75CD61 #9DDB8F

Accessibility & contrast

On white

2.59

#51B63A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#51B63A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B63A

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B63A	#FFFFFF	#000000	##000000
##51B63A	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA628

Deuteranopia (green-blind)

#AE9E45

Tritanopia (blue-blind)

#45B09D

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b63a;
/* rgb */ color: rgb(81, 182, 58);
/* oklch */ color: oklch(69.1% 0.187 140.2);

Tailwind

colors: {
  custom: {
    50: '#8ccd76',
    500: '#51b63a',
    950: '#000000',
  },
}

SCSS

$custom: #51b63a;
$custom-light: #8ccd76;
$custom-dark: #000000;

JSON

{
  "hex": "#51b63a",
  "rgb": {
    "r": 81,
    "g": 182,
    "b": 58
  },
  "hsl": {
    "h": 108.871,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.69071,
    "c": 0.18673,
    "h": 140.2
  },
  "luminance": 0.35511
}

Semantic roles & 50–950 ramp

primary

#51B63A

secondary

#BA86C6

accent

#4DDBC1

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1309

muted

#7E827B

Preview Lab

Preview with #51B63A

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

Preview Lab → · Contrast checker → · Palette generator →