#40D78A#40D78A

#40D78A is a light, vivid green. Relative luminance 0.515; OKLCH L 78.2% C 0.168 H 156.3°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#40D78A
RGB	rgb(64, 215, 138)
HSL	hsl(149, 65%, 55%)
HSV	hsv(149, 70%, 84%)
CMYK	cmyk(70.2%, 0%, 35.8%, 15.7%)
CIE-LAB	lab(76.99, -56.67, 26.88)
CIE-LCH	lch(76.99, 62.72, 154.62°)
OKLab	oklab(78.22% -0.1533 0.0675)
OKLCH	oklch(78.22% 0.168 156.3)
XYZ	xyz(30.9993, 51.5223, 32.3509)
Luminance	0.5153 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D78A #D7408D

analogous

#42D740 #40D78A #40D7D6

triadic

#40D78A #8A40D7 #D78A40

tetradic

#40D78A #4042D7 #D7408D #D7D640

square

#40D78A #4042D7 #D7408D #D7D640

split-complementary

#40D78A #D640D7 #D74042

monochromatic

#1B814D #26B46B #40D78A #73E2A9 #A5ECC8

Accessibility & contrast

On white

1.86

#40D78A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#40D78A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D78A

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D78A	#FFFFFF	#000000	##000000
##40D78A	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C685

Deuteranopia (green-blind)

#C3B98F

Tritanopia (blue-blind)

#00D5C3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d78a;
/* rgb */ color: rgb(64, 215, 138);
/* oklch */ color: oklch(78.2% 0.168 156.3);

Tailwind

colors: {
  custom: {
    50: '#88e4ac',
    500: '#40d78a',
    950: '#000000',
  },
}

SCSS

$custom: #40d78a;
$custom-light: #88e4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#40d78a",
  "rgb": {
    "r": 64,
    "g": 215,
    "b": 138
  },
  "hsl": {
    "h": 149.404,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.7822,
    "c": 0.16754,
    "h": 156.3
  },
  "luminance": 0.51526
}

Semantic roles & 50–950 ramp

primary

#40D78A

secondary

#88335E

accent

#3F96E8

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40D78A

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

Preview Lab → · Contrast checker → · Palette generator →