#51A643#51A643

#51A643 is a light, vivid green. Relative luminance 0.294; OKLCH L 65.0% C 0.159 H 140.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#51A643
RGB	rgb(81, 166, 67)
HSL	hsl(112, 42%, 46%)
HSV	hsv(112, 60%, 65%)
CMYK	cmyk(51.2%, 0%, 59.6%, 34.9%)
CIE-LAB	lab(61.16, -45.21, 42.68)
CIE-LCH	lch(61.16, 62.17, 136.65°)
OKLab	oklab(64.99% -0.1236 0.1004)
OKLCH	oklch(64.99% 0.159 140.9)
XYZ	xyz(18.0419, 29.4257, 10.0381)
Luminance	0.2943 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A643 #9843A6

analogous

#82A643 #51A643 #43A666

triadic

#51A643 #4351A6 #A64351

tetradic

#51A643 #4382A6 #9843A6 #A66643

square

#51A643 #4382A6 #9843A6 #A66643

split-complementary

#51A643 #6643A6 #A64382

monochromatic

#264F20 #3C7A31 #51A643 #72C165 #9AD391

Accessibility & contrast

On white

3.05

#51A643 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#51A643 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A643

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A643	#FFFFFF	#000000	##000000
##51A643	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9839

Deuteranopia (green-blind)

#9F914B

Tritanopia (blue-blind)

#48A191

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #51a643;
/* rgb */ color: rgb(81, 166, 67);
/* oklch */ color: oklch(65.0% 0.159 140.9);

Tailwind

colors: {
  custom: {
    50: '#89c17a',
    500: '#51a643',
    950: '#000000',
  },
}

SCSS

$custom: #51a643;
$custom-light: #89c17a;
$custom-dark: #000000;

JSON

{
  "hex": "#51a643",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 67
  },
  "hsl": {
    "h": 111.515,
    "s": 42.489,
    "l": 45.686
  },
  "oklch": {
    "l": 0.64993,
    "c": 0.15922,
    "h": 140.9
  },
  "luminance": 0.29427
}

Semantic roles & 50–950 ramp

primary

#51A643

secondary

#B687BE

accent

#56D2C1

background

#F8FBF7

surface

#F0F7EE

border

#CBD0C9

text

#0C1209

muted

#7D817B

Preview Lab

Preview with #51A643

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

Preview Lab → · Contrast checker → · Palette generator →