#40D366#40D366

#40D366 is a light, vivid green. Relative luminance 0.486; OKLCH L 76.6% C 0.195 H 148.1°. Best body text is #000000 at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#40D366
RGB	rgb(64, 211, 102)
HSL	hsl(136, 63%, 54%)
HSV	hsv(136, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 51.7%, 17.3%)
CIE-LAB	lab(75.22, -61.29, 42.67)
CIE-LCH	lch(75.22, 74.68, 145.15°)
OKLab	oklab(76.58% -0.1651 0.1029)
OKLCH	oklch(76.58% 0.195 148.1)
XYZ	xyz(27.8048, 48.6348, 20.4899)
Luminance	0.4864 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D366 #D340AD

analogous

#64D340 #40D366 #40D3B0

triadic

#40D366 #6640D3 #D36640

tetradic

#40D366 #4064D3 #D340AD #D3B040

square

#40D366 #4064D3 #D340AD #D3B040

split-complementary

#40D366 #B040D3 #D34064

monochromatic

#1D7C35 #28AE4B #40D366 #72DE8E #A3EAB6

Accessibility & contrast

On white

1.96

#40D366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.73

#40D366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D366

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D366	#FFFFFF	#000000	##000000
##40D366	1.00	1.96	10.73	10.73
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.73	21.00	1.00	1.00
##000000	10.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C15C

Deuteranopia (green-blind)

#C4B46E

Tritanopia (blue-blind)

#00CFBA

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d366;
/* rgb */ color: rgb(64, 211, 102);
/* oklch */ color: oklch(76.6% 0.195 148.1);

Tailwind

colors: {
  custom: {
    50: '#88e294',
    500: '#40d366',
    950: '#000000',
  },
}

SCSS

$custom: #40d366;
$custom-light: #88e294;
$custom-dark: #000000;

JSON

{
  "hex": "#40d366",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 102
  },
  "hsl": {
    "h": 135.51,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76584,
    "c": 0.19452,
    "h": 148.1
  },
  "luminance": 0.48638
}

Semantic roles & 50–950 ramp

primary

#40D366

secondary

#D798C7

accent

#42BBE6

background

#F9FEF9

surface

#F1FCF2

border

#CBD5CC

text

#0D150D

muted

#7E847E

Preview Lab

Preview with #40D366

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

Preview Lab → · Contrast checker → · Palette generator →