#51C03D#51C03D

#51C03D is a light, vivid green. Relative luminance 0.398; OKLCH L 71.7% C 0.197 H 140.8°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#51C03D
RGB	rgb(81, 192, 61)
HSL	hsl(111, 52%, 50%)
HSV	hsv(111, 68%, 75%)
CMYK	cmyk(57.8%, 0%, 68.2%, 24.7%)
CIE-LAB	lab(69.32, -55.78, 54.30)
CIE-LCH	lch(69.32, 77.84, 135.77°)
OKLab	oklab(71.69% -0.1526 0.1244)
OKLCH	oklch(71.69% 0.197 140.8)
XYZ	xyz(23.0842, 39.7835, 10.8765)
Luminance	0.3979 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C03D #AC3DC0

analogous

#92C03D #51C03D #3DC06B

triadic

#51C03D #3D51C0 #C03D51

tetradic

#51C03D #3D92C0 #AC3DC0 #C06B3D

square

#51C03D #3D92C0 #AC3DC0 #C06B3D

split-complementary

#51C03D #6B3DC0 #C03D92

monochromatic

#2A631F #3D922E #51C03D #7AD06A #A3DF99

Accessibility & contrast

On white

2.34

#51C03D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#51C03D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C03D

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C03D	#FFFFFF	#000000	##000000
##51C03D	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF2A

Deuteranopia (green-blind)

#B7A649

Tritanopia (blue-blind)

#42BAA6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51c03d;
/* rgb */ color: rgb(81, 192, 61);
/* oklch */ color: oklch(71.7% 0.197 140.8);

Tailwind

colors: {
  custom: {
    50: '#8dd479',
    500: '#51c03d',
    950: '#000000',
  },
}

SCSS

$custom: #51c03d;
$custom-light: #8dd479;
$custom-dark: #000000;

JSON

{
  "hex": "#51c03d",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 61
  },
  "hsl": {
    "h": 110.84,
    "s": 51.779,
    "l": 49.608
  },
  "oklch": {
    "l": 0.71694,
    "c": 0.19688,
    "h": 140.8
  },
  "luminance": 0.39786
}

Semantic roles & 50–950 ramp

primary

#51C03D

secondary

#C18ECA

accent

#4DDBC5

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51C03D

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

Preview Lab → · Contrast checker → · Palette generator →