#40D377#40D377

#40D377 is a light, vivid green. Relative luminance 0.490; OKLCH L 76.9% C 0.179 H 151.6°. Best body text is #000000 at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#40D377
RGB	rgb(64, 211, 119)
HSL	hsl(142, 63%, 54%)
HSV	hsv(142, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 43.6%, 17.3%)
CIE-LAB	lab(75.46, -58.62, 34.57)
CIE-LCH	lch(75.46, 68.06, 149.47°)
OKLab	oklab(76.85% -0.1579 0.0852)
OKLCH	oklch(76.85% 0.179 151.6)
XYZ	xyz(28.7360, 49.0072, 25.3941)
Luminance	0.4901 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D377 #D3409C

analogous

#53D340 #40D377 #40D3C1

triadic

#40D377 #7740D3 #D37740

tetradic

#40D377 #4053D3 #D3409C #D3C140

square

#40D377 #4053D3 #D3409C #D3C140

split-complementary

#40D377 #C140D3 #D34053

monochromatic

#1D7C40 #28AE5A #40D377 #72DE9A #A3EABE

Accessibility & contrast

On white

1.94

#40D377 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.80

#40D377 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D377

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D377	#FFFFFF	#000000	##000000
##40D377	1.00	1.94	10.80	10.80
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.80	21.00	1.00	1.00
##000000	10.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C170

Deuteranopia (green-blind)

#C2B57D

Tritanopia (blue-blind)

#00D0BD

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d377;
/* rgb */ color: rgb(64, 211, 119);
/* oklch */ color: oklch(76.9% 0.179 151.6);

Tailwind

colors: {
  custom: {
    50: '#87e29f',
    500: '#40d377',
    950: '#000000',
  },
}

SCSS

$custom: #40d377;
$custom-light: #87e29f;
$custom-dark: #000000;

JSON

{
  "hex": "#40d377",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 119
  },
  "hsl": {
    "h": 142.449,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76852,
    "c": 0.17946,
    "h": 151.6
  },
  "luminance": 0.4901
}

Semantic roles & 50–950 ramp

primary

#40D377

secondary

#D798BF

accent

#42A8E6

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #40D377

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

Preview Lab → · Contrast checker → · Palette generator →