#40D143#40D143

#40D143 is a light, highly saturated green. Relative luminance 0.471; OKLCH L 75.7% C 0.219 H 143.3°. Best body text is #000000 at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#40D143
RGB	rgb(64, 209, 67)
HSL	hsl(121, 61%, 54%)
HSV	hsv(121, 69%, 82%)
CMYK	cmyk(69.4%, 0%, 67.9%, 18%)
CIE-LAB	lab(74.25, -64.74, 57.04)
CIE-LCH	lch(74.25, 86.28, 138.62°)
OKLab	oklab(75.67% -0.1756 0.131)
OKLCH	oklch(75.67% 0.219 143.3)
XYZ	xyz(25.9264, 47.0934, 13.0327)
Luminance	0.4710 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D143 #D140CE

analogous

#85D140 #40D143 #40D18B

triadic

#40D143 #4340D1 #D14340

tetradic

#40D143 #4085D1 #D140CE #D18B40

square

#40D143 #4085D1 #D140CE #D18B40

split-complementary

#40D143 #8B40D1 #D14085

monochromatic

#1D791F #29AB2C #40D143 #71DD74 #A3E9A4

Accessibility & contrast

On white

2.02

#40D143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.42

#40D143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D143

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D143	#FFFFFF	#000000	##000000
##40D143	1.00	2.02	10.42	10.42
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.42	21.00	1.00	1.00
##000000	10.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BE2F

Deuteranopia (green-blind)

#C4B250

Tritanopia (blue-blind)

#11CBB4

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #40d143;
/* rgb */ color: rgb(64, 209, 67);
/* oklch */ color: oklch(75.7% 0.219 143.3);

Tailwind

colors: {
  custom: {
    50: '#89e07e',
    500: '#40d143',
    950: '#000000',
  },
}

SCSS

$custom: #40d143;
$custom-light: #89e07e;
$custom-dark: #000000;

JSON

{
  "hex": "#40d143",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 67
  },
  "hsl": {
    "h": 121.241,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.75665,
    "c": 0.21907,
    "h": 143.3
  },
  "luminance": 0.47096
}

Semantic roles & 50–950 ramp

primary

#40D143

secondary

#D597D4

accent

#44E1E4

background

#F9FDF8

surface

#F1FBEF

border

#CBD4CA

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #40D143

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

Preview Lab → · Contrast checker → · Palette generator →