#40D186#40D186

#40D186 is a light, vivid green. Relative luminance 0.484; OKLCH L 76.6% C 0.163 H 156.1°. Best body text is #000000 at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#40D186
RGB	rgb(64, 209, 134)
HSL	hsl(149, 61%, 54%)
HSV	hsv(149, 69%, 82%)
CMYK	cmyk(69.4%, 0%, 35.9%, 18%)
CIE-LAB	lab(75.08, -55.16, 26.39)
CIE-LCH	lch(75.08, 61.14, 154.43°)
OKLab	oklab(76.62% -0.1493 0.0662)
OKLCH	oklch(76.62% 0.163 156.1)
XYZ	xyz(29.2152, 48.4089, 30.3538)
Luminance	0.4841 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D186 #D1408B

analogous

#42D140 #40D186 #40D1CF

triadic

#40D186 #8640D1 #D18640

tetradic

#40D186 #4042D1 #D1408B #D1CF40

square

#40D186 #4042D1 #D1408B #D1CF40

split-complementary

#40D186 #CF40D1 #D14042

monochromatic

#1D794A #29AB68 #40D186 #71DDA5 #A3E9C4

Accessibility & contrast

On white

1.97

#40D186 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.68

#40D186 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D186

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D186	#FFFFFF	#000000	##000000
##40D186	1.00	1.97	10.68	10.68
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.68	21.00	1.00	1.00
##000000	10.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C181

Deuteranopia (green-blind)

#BEB48B

Tritanopia (blue-blind)

#00CFBE

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d186;
/* rgb */ color: rgb(64, 209, 134);
/* oklch */ color: oklch(76.6% 0.163 156.1);

Tailwind

colors: {
  custom: {
    50: '#87e0a9',
    500: '#40d186',
    950: '#000000',
  },
}

SCSS

$custom: #40d186;
$custom-light: #87e0a9;
$custom-dark: #000000;

JSON

{
  "hex": "#40d186",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 134
  },
  "hsl": {
    "h": 148.966,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.76623,
    "c": 0.16332,
    "h": 156.1
  },
  "luminance": 0.48412
}

Semantic roles & 50–950 ramp

primary

#40D186

secondary

#D597B7

accent

#4497E4

background

#F8FDFA

surface

#F0FBF4

border

#CBD4CE

text

#0D1510

muted

#7D837F

Preview Lab

Preview with #40D186

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

Preview Lab → · Contrast checker → · Palette generator →