#40D166#40D166

#40D166 is a light, vivid green. Relative luminance 0.476; OKLCH L 76.1% C 0.192 H 148.2°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#40D166
RGB	rgb(64, 209, 102)
HSL	hsl(136, 61%, 54%)
HSV	hsv(136, 69%, 82%)
CMYK	cmyk(69.4%, 0%, 51.2%, 18%)
CIE-LAB	lab(74.60, -60.58, 41.91)
CIE-LCH	lch(74.60, 73.67, 145.33°)
OKLab	oklab(76.07% -0.1632 0.1012)
OKLCH	oklch(76.07% 0.192 148.2)
XYZ	xyz(27.3110, 47.6472, 20.3253)
Luminance	0.4765 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D166 #D140AB

analogous

#62D140 #40D166 #40D1AE

triadic

#40D166 #6640D1 #D16640

tetradic

#40D166 #4062D1 #D140AB #D1AE40

square

#40D166 #4062D1 #D140AB #D1AE40

split-complementary

#40D166 #AE40D1 #D14062

monochromatic

#1D7935 #29AB4B #40D166 #71DD8E #A3E9B5

Accessibility & contrast

On white

1.99

#40D166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.53

#40D166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D166

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D166	#FFFFFF	#000000	##000000
##40D166	1.00	1.99	10.53	10.53
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.53	21.00	1.00	1.00
##000000	10.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BF5D

Deuteranopia (green-blind)

#C2B36E

Tritanopia (blue-blind)

#00CDB8

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #40d166;
/* rgb */ color: rgb(64, 209, 102);
/* oklch */ color: oklch(76.1% 0.192 148.2);

Tailwind

colors: {
  custom: {
    50: '#87e094',
    500: '#40d166',
    950: '#000000',
  },
}

SCSS

$custom: #40d166;
$custom-light: #87e094;
$custom-dark: #000000;

JSON

{
  "hex": "#40d166",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 102
  },
  "hsl": {
    "h": 135.724,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.7607,
    "c": 0.19202,
    "h": 148.2
  },
  "luminance": 0.4765
}

Semantic roles & 50–950 ramp

primary

#40D166

secondary

#D597C5

accent

#44BAE4

background

#F9FDF9

surface

#F1FBF1

border

#CBD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #40D166

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

Preview Lab → · Contrast checker → · Palette generator →