#40D37A#40D37A

#40D37A is a light, vivid green. Relative luminance 0.491; OKLCH L 76.9% C 0.177 H 152.4°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#40D37A
RGB	rgb(64, 211, 122)
HSL	hsl(144, 63%, 54%)
HSV	hsv(144, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 42.2%, 17.3%)
CIE-LAB	lab(75.50, -58.11, 33.11)
CIE-LCH	lch(75.50, 66.88, 150.32°)
OKLab	oklab(76.9% -0.1566 0.0819)
OKLCH	oklch(76.9% 0.177 152.4)
XYZ	xyz(28.9190, 49.0804, 26.3580)
Luminance	0.4908 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D37A #D34099

analogous

#50D340 #40D37A #40D3C3

triadic

#40D37A #7A40D3 #D37A40

tetradic

#40D37A #4050D3 #D34099 #D3C340

square

#40D37A #4050D3 #D34099 #D3C340

split-complementary

#40D37A #C340D3 #D34050

monochromatic

#1D7C42 #28AE5D #40D37A #72DE9D #A3EABF

Accessibility & contrast

On white

1.94

#40D37A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.82

#40D37A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D37A

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D37A	#FFFFFF	#000000	##000000
##40D37A	1.00	1.94	10.82	10.82
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.82	21.00	1.00	1.00
##000000	10.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3C274

Deuteranopia (green-blind)

#C1B580

Tritanopia (blue-blind)

#00D0BD

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d37a;
/* rgb */ color: rgb(64, 211, 122);
/* oklch */ color: oklch(76.9% 0.177 152.4);

Tailwind

colors: {
  custom: {
    50: '#87e2a1',
    500: '#40d37a',
    950: '#000000',
  },
}

SCSS

$custom: #40d37a;
$custom-light: #87e2a1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d37a",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 122
  },
  "hsl": {
    "h": 143.673,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76904,
    "c": 0.17675,
    "h": 152.4
  },
  "luminance": 0.49084
}

Semantic roles & 50–950 ramp

primary

#40D37A

secondary

#D798BE

accent

#42A5E6

background

#F9FDFA

surface

#F1FBF3

border

#CBD4CD

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #40D37A

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

Preview Lab → · Contrast checker → · Palette generator →