#40D373#40D373

#40D373 is a light, vivid green. Relative luminance 0.489; OKLCH L 76.8% C 0.183 H 150.7°. Best body text is #000000 at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#40D373
RGB	rgb(64, 211, 115)
HSL	hsl(141, 63%, 54%)
HSV	hsv(141, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 45.5%, 17.3%)
CIE-LAB	lab(75.40, -59.29, 36.51)
CIE-LCH	lch(75.40, 69.63, 148.38°)
OKLab	oklab(76.78% -0.1597 0.0896)
OKLCH	oklch(76.78% 0.183 150.7)
XYZ	xyz(28.5008, 48.9132, 24.1555)
Luminance	0.4892 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D373 #D340A0

analogous

#57D340 #40D373 #40D3BC

triadic

#40D373 #7340D3 #D37340

tetradic

#40D373 #4057D3 #D340A0 #D3BC40

square

#40D373 #4057D3 #D340A0 #D3BC40

split-complementary

#40D373 #BC40D3 #D34057

monochromatic

#1D7C3E #28AE56 #40D373 #72DE97 #A3EABC

Accessibility & contrast

On white

1.95

#40D373 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.78

#40D373 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D373

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D373	#FFFFFF	#000000	##000000
##40D373	1.00	1.95	10.78	10.78
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.78	21.00	1.00	1.00
##000000	10.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C16C

Deuteranopia (green-blind)

#C2B57A

Tritanopia (blue-blind)

#00D0BC

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d373;
/* rgb */ color: rgb(64, 211, 115);
/* oklch */ color: oklch(76.8% 0.183 150.7);

Tailwind

colors: {
  custom: {
    50: '#87e29c',
    500: '#40d373',
    950: '#000000',
  },
}

SCSS

$custom: #40d373;
$custom-light: #87e29c;
$custom-dark: #000000;

JSON

{
  "hex": "#40d373",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 115
  },
  "hsl": {
    "h": 140.816,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76784,
    "c": 0.18306,
    "h": 150.7
  },
  "luminance": 0.48916
}

Semantic roles & 50–950 ramp

primary

#40D373

secondary

#D798C1

accent

#42ADE6

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #40D373

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

Preview Lab → · Contrast checker → · Palette generator →