#40D370#40D370

#40D370 is a light, vivid green. Relative luminance 0.488; OKLCH L 76.7% C 0.186 H 150.1°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#40D370
RGB	rgb(64, 211, 112)
HSL	hsl(140, 63%, 54%)
HSV	hsv(140, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 46.9%, 17.3%)
CIE-LAB	lab(75.35, -59.77, 37.95)
CIE-LCH	lch(75.35, 70.80, 147.59°)
OKLab	oklab(76.74% -0.1609 0.0927)
OKLCH	oklch(76.74% 0.186 150.1)
XYZ	xyz(28.3310, 48.8452, 23.2611)
Luminance	0.4885 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D370 #D340A3

analogous

#5AD340 #40D370 #40D3BA

triadic

#40D370 #7040D3 #D37040

tetradic

#40D370 #405AD3 #D340A3 #D3BA40

square

#40D370 #405AD3 #D340A3 #D3BA40

split-complementary

#40D370 #BA40D3 #D3405A

monochromatic

#1D7C3C #28AE54 #40D370 #72DE95 #A3EABA

Accessibility & contrast

On white

1.95

#40D370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#40D370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D370

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D370	#FFFFFF	#000000	##000000
##40D370	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)

#D4C168

Deuteranopia (green-blind)

#C2B577

Tritanopia (blue-blind)

#00CFBB

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d370;
/* rgb */ color: rgb(64, 211, 112);
/* oklch */ color: oklch(76.7% 0.186 150.1);

Tailwind

colors: {
  custom: {
    50: '#87e29a',
    500: '#40d370',
    950: '#000000',
  },
}

SCSS

$custom: #40d370;
$custom-light: #87e29a;
$custom-dark: #000000;

JSON

{
  "hex": "#40d370",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 112
  },
  "hsl": {
    "h": 139.592,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76735,
    "c": 0.18574,
    "h": 150.1
  },
  "luminance": 0.48848
}

Semantic roles & 50–950 ramp

primary

#40D370

secondary

#D798C2

accent

#42B0E6

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #40D370

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

Preview Lab → · Contrast checker → · Palette generator →