#40D381#40D381

#40D381 is a light, vivid green. Relative luminance 0.493; OKLCH L 77.0% C 0.170 H 154.3°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#40D381
RGB	rgb(64, 211, 129)
HSL	hsl(147, 63%, 54%)
HSV	hsv(147, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 38.9%, 17.3%)
CIE-LAB	lab(75.61, -56.86, 29.68)
CIE-LCH	lch(75.61, 64.14, 152.43°)
OKLab	oklab(77.03% -0.1535 0.074)
OKLCH	oklch(77.03% 0.17 154.3)
XYZ	xyz(29.3684, 49.2602, 28.7250)
Luminance	0.4926 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D381 #D34092

analogous

#49D340 #40D381 #40D3CB

triadic

#40D381 #8140D3 #D38140

tetradic

#40D381 #4049D3 #D34092 #D3CB40

square

#40D381 #4049D3 #D34092 #D3CB40

split-complementary

#40D381 #CB40D3 #D34049

monochromatic

#1D7C47 #28AE63 #40D381 #72DEA2 #A3EAC3

Accessibility & contrast

On white

1.94

#40D381 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#40D381 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D381

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D381	#FFFFFF	#000000	##000000
##40D381	1.00	1.94	10.85	10.85
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3C27B

Deuteranopia (green-blind)

#C0B586

Tritanopia (blue-blind)

#00D1BE

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d381;
/* rgb */ color: rgb(64, 211, 129);
/* oklch */ color: oklch(77.0% 0.170 154.3);

Tailwind

colors: {
  custom: {
    50: '#87e2a6',
    500: '#40d381',
    950: '#000000',
  },
}

SCSS

$custom: #40d381;
$custom-light: #87e2a6;
$custom-dark: #000000;

JSON

{
  "hex": "#40d381",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 129
  },
  "hsl": {
    "h": 146.531,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.77033,
    "c": 0.17042,
    "h": 154.3
  },
  "luminance": 0.49263
}

Semantic roles & 50–950 ramp

primary

#40D381

secondary

#D798BB

accent

#429DE6

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #40D381

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

Preview Lab → · Contrast checker → · Palette generator →