#51C22A#51C22A

#51C22A is a light, highly saturated green. Relative luminance 0.405; OKLCH L 72.1% C 0.210 H 139.3°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#51C22A
RGB	rgb(81, 194, 42)
HSL	hsl(105, 64%, 46%)
HSV	hsv(105, 78%, 76%)
CMYK	cmyk(58.2%, 0%, 78.4%, 23.9%)
CIE-LAB	lab(69.82, -57.89, 61.53)
CIE-LCH	lch(69.82, 84.48, 133.25°)
OKLab	oklab(72.08% -0.1594 0.137)
OKLCH	oklch(72.08% 0.21 139.3)
XYZ	xyz(23.1021, 40.4980, 8.7895)
Luminance	0.4050 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C22A #9B2AC2

analogous

#9DC22A #51C22A #2AC24F

triadic

#51C22A #2A51C2 #C22A51

tetradic

#51C22A #2A9DC2 #9B2AC2 #C24F2A

square

#51C22A #2A9DC2 #9B2AC2 #C24F2A

split-complementary

#51C22A #4F2AC2 #C22A9D

monochromatic

#275D14 #3C901F #51C22A #73D950 #9BE482

Accessibility & contrast

On white

2.31

#51C22A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#51C22A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C22A

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C22A	#FFFFFF	#000000	##000000
##51C22A	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B000

Deuteranopia (green-blind)

#BAA73C

Tritanopia (blue-blind)

#44BBA6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c22a;
/* rgb */ color: rgb(81, 194, 42);
/* oklch */ color: oklch(72.1% 0.210 139.3);

Tailwind

colors: {
  custom: {
    50: '#8ed570',
    500: '#51c22a',
    950: '#000000',
  },
}

SCSS

$custom: #51c22a;
$custom-light: #8ed570;
$custom-dark: #000000;

JSON

{
  "hex": "#51c22a",
  "rgb": {
    "r": 81,
    "g": 194,
    "b": 42
  },
  "hsl": {
    "h": 104.605,
    "s": 64.407,
    "l": 46.275
  },
  "oklch": {
    "l": 0.72075,
    "c": 0.21015,
    "h": 139.3
  },
  "luminance": 0.405
}

Semantic roles & 50–950 ramp

primary

#51C22A

secondary

#B87BCD

accent

#40E7BD

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1408

muted

#7E837B

Preview Lab

Preview with #51C22A

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

Preview Lab → · Contrast checker → · Palette generator →