#40C66E#40C66E

#40C66E is a light, vivid green. Relative luminance 0.426; OKLCH L 73.4% C 0.171 H 150.9°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#40C66E
RGB	rgb(64, 198, 110)
HSL	hsl(141, 54%, 51%)
HSV	hsv(141, 68%, 78%)
CMYK	cmyk(67.7%, 0%, 44.4%, 22.4%)
CIE-LAB	lab(71.28, -55.35, 33.76)
CIE-LCH	lch(71.28, 64.83, 148.62°)
OKLab	oklab(73.37% -0.1492 0.0831)
OKLCH	oklch(73.37% 0.171 150.9)
XYZ	xyz(25.1209, 42.6012, 21.6478)
Luminance	0.4260 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C66E #C64098

analogous

#55C640 #40C66E #40C6B1

triadic

#40C66E #6E40C6 #C66E40

tetradic

#40C66E #4055C6 #C64098 #C6B140

square

#40C66E #4055C6 #C64098 #C6B140

split-complementary

#40C66E #B140C6 #C64055

monochromatic

#206C3A #2E9B53 #40C66E #6FD492 #9EE2B6

Accessibility & contrast

On white

2.21

#40C66E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#40C66E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C66E

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C66E	#FFFFFF	#000000	##000000
##40C66E	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B667

Deuteranopia (green-blind)

#B6AA74

Tritanopia (blue-blind)

#00C3B1

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #40c66e;
/* rgb */ color: rgb(64, 198, 110);
/* oklch */ color: oklch(73.4% 0.171 150.9);

Tailwind

colors: {
  custom: {
    50: '#85d899',
    500: '#40c66e',
    950: '#000000',
  },
}

SCSS

$custom: #40c66e;
$custom-light: #85d899;
$custom-dark: #000000;

JSON

{
  "hex": "#40c66e",
  "rgb": {
    "r": 64,
    "g": 198,
    "b": 110
  },
  "hsl": {
    "h": 140.597,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.73366,
    "c": 0.17075,
    "h": 150.9
  },
  "luminance": 0.42604
}

Semantic roles & 50–950 ramp

primary

#40C66E

secondary

#CE93BA

accent

#4AABDD

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40C66E

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

Preview Lab → · Contrast checker → · Palette generator →