#40D979#40D979

#40D979 is a light, vivid green. Relative luminance 0.521; OKLCH L 78.4% C 0.185 H 151.5°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#40D979
RGB	rgb(64, 217, 121)
HSL	hsl(142, 67%, 55%)
HSV	hsv(142, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 44.2%, 14.9%)
CIE-LAB	lab(77.34, -60.46, 35.99)
CIE-LCH	lch(77.34, 70.37, 149.24°)
OKLab	oklab(78.41% -0.1628 0.0886)
OKLCH	oklch(78.41% 0.185 151.5)
XYZ	xyz(30.3758, 52.0928, 26.5395)
Luminance	0.5210 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D979 #D940A0

analogous

#53D940 #40D979 #40D9C5

triadic

#40D979 #7940D9 #D97940

tetradic

#40D979 #4053D9 #D940A0 #D9C540

square

#40D979 #4053D9 #D940A0 #D9C540

split-complementary

#40D979 #C540D9 #D94053

monochromatic

#1A8442 #24B75B #40D979 #73E39D #A6EDC1

Accessibility & contrast

On white

1.84

#40D979 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#40D979 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D979

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D979	#FFFFFF	#000000	##000000
##40D979	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC772

Deuteranopia (green-blind)

#C7BA80

Tritanopia (blue-blind)

#00D6C2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d979;
/* rgb */ color: rgb(64, 217, 121);
/* oklch */ color: oklch(78.4% 0.185 151.5);

Tailwind

colors: {
  custom: {
    50: '#88e6a1',
    500: '#40d979',
    950: '#000000',
  },
}

SCSS

$custom: #40d979;
$custom-light: #88e6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d979",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 121
  },
  "hsl": {
    "h": 142.353,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78413,
    "c": 0.18534,
    "h": 151.5
  },
  "luminance": 0.52096
}

Semantic roles & 50–950 ramp

primary

#40D979

secondary

#8B326A

accent

#3EAAEA

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D979

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

Preview Lab → · Contrast checker → · Palette generator →