#51BC3A#51BC3A

#51BC3A is a light, vivid green. Relative luminance 0.380; OKLCH L 70.6% C 0.194 H 140.4°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#51BC3A
RGB	rgb(81, 188, 58)
HSL	hsl(109, 53%, 48%)
HSV	hsv(109, 69%, 74%)
CMYK	cmyk(56.9%, 0%, 69.1%, 26.3%)
CIE-LAB	lab(68.03, -54.58, 54.13)
CIE-LCH	lch(68.03, 76.87, 135.23°)
OKLab	oklab(70.63% -0.1495 0.1237)
OKLCH	oklch(70.63% 0.194 140.4)
XYZ	xyz(22.1393, 38.0193, 10.1740)
Luminance	0.3802 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC3A #A53ABC

analogous

#92BC3A #51BC3A #3ABC64

triadic

#51BC3A #3A51BC #BC3A51

tetradic

#51BC3A #3A92BC #A53ABC #BC643A

square

#51BC3A #3A92BC #A53ABC #BC643A

split-complementary

#51BC3A #643ABC #BC3A92

monochromatic

#295E1D #3D8D2C #51BC3A #77CF64 #A0DE93

Accessibility & contrast

On white

2.44

#51BC3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#51BC3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC3A

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC3A	#FFFFFF	#000000	##000000
##51BC3A	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB27

Deuteranopia (green-blind)

#B3A246

Tritanopia (blue-blind)

#44B6A2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc3a;
/* rgb */ color: rgb(81, 188, 58);
/* oklch */ color: oklch(70.6% 0.194 140.4);

Tailwind

colors: {
  custom: {
    50: '#8dd177',
    500: '#51bc3a',
    950: '#000000',
  },
}

SCSS

$custom: #51bc3a;
$custom-light: #8dd177;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc3a",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 58
  },
  "hsl": {
    "h": 109.385,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70631,
    "c": 0.19405,
    "h": 140.4
  },
  "luminance": 0.38021
}

Semantic roles & 50–950 ramp

primary

#51BC3A

secondary

#BD89C9

accent

#4CDCC3

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #51BC3A

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

Preview Lab → · Contrast checker → · Palette generator →