#40D371#40D371

#40D371 is a light, vivid green. Relative luminance 0.489; OKLCH L 76.8% C 0.185 H 150.3°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#40D371
RGB	rgb(64, 211, 113)
HSL	hsl(140, 63%, 54%)
HSV	hsv(140, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 46.4%, 17.3%)
CIE-LAB	lab(75.37, -59.61, 37.47)
CIE-LCH	lch(75.37, 70.41, 147.85°)
OKLab	oklab(76.75% -0.1605 0.0917)
OKLCH	oklch(76.75% 0.185 150.3)
XYZ	xyz(28.3870, 48.8676, 23.5559)
Luminance	0.4887 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D371 #D340A2

analogous

#59D340 #40D371 #40D3BB

triadic

#40D371 #7140D3 #D37140

tetradic

#40D371 #4059D3 #D340A2 #D3BB40

square

#40D371 #4059D3 #D340A2 #D3BB40

split-complementary

#40D371 #BB40D3 #D34059

monochromatic

#1D7C3C #28AE55 #40D371 #72DE96 #A3EABB

Accessibility & contrast

On white

1.95

#40D371 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#40D371 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D371

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D371	#FFFFFF	#000000	##000000
##40D371	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C169

Deuteranopia (green-blind)

#C2B578

Tritanopia (blue-blind)

#00CFBC

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d371;
/* rgb */ color: rgb(64, 211, 113);
/* oklch */ color: oklch(76.8% 0.185 150.3);

Tailwind

colors: {
  custom: {
    50: '#87e29b',
    500: '#40d371',
    950: '#000000',
  },
}

SCSS

$custom: #40d371;
$custom-light: #87e29b;
$custom-dark: #000000;

JSON

{
  "hex": "#40d371",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 113
  },
  "hsl": {
    "h": 140,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76751,
    "c": 0.18485,
    "h": 150.3
  },
  "luminance": 0.48871
}

Semantic roles & 50–950 ramp

primary

#40D371

secondary

#D798C2

accent

#42AFE6

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #40D371

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

Preview Lab → · Contrast checker → · Palette generator →