#40D879#40D879

#40D879 is a light, vivid green. Relative luminance 0.516; OKLCH L 78.2% C 0.184 H 151.6°. Best body text is #000000 at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#40D879
RGB	rgb(64, 216, 121)
HSL	hsl(143, 66%, 55%)
HSV	hsv(143, 70%, 85%)
CMYK	cmyk(70.4%, 0%, 44%, 15.3%)
CIE-LAB	lab(77.03, -60.10, 35.60)
CIE-LCH	lch(77.03, 69.85, 149.36°)
OKLab	oklab(78.16% -0.1619 0.0877)
OKLCH	oklch(78.16% 0.184 151.6)
XYZ	xyz(30.1189, 51.5788, 26.4538)
Luminance	0.5158 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D879 #D8409F

analogous

#53D840 #40D879 #40D8C5

triadic

#40D879 #7940D8 #D87940

tetradic

#40D879 #4053D8 #D8409F #D8C540

square

#40D879 #4053D8 #D8409F #D8C540

split-complementary

#40D879 #C540D8 #D84053

monochromatic

#1B8342 #25B65B #40D879 #73E29D #A6EDC0

Accessibility & contrast

On white

1.86

#40D879 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.32

#40D879 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D879

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D879	#FFFFFF	#000000	##000000
##40D879	1.00	1.86	11.32	11.32
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.32	21.00	1.00	1.00
##000000	11.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C672

Deuteranopia (green-blind)

#C6B980

Tritanopia (blue-blind)

#00D5C1

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d879;
/* rgb */ color: rgb(64, 216, 121);
/* oklch */ color: oklch(78.2% 0.184 151.6);

Tailwind

colors: {
  custom: {
    50: '#88e5a1',
    500: '#40d879',
    950: '#000000',
  },
}

SCSS

$custom: #40d879;
$custom-light: #88e5a1;
$custom-dark: #000000;

JSON

{
  "hex": "#40d879",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 121
  },
  "hsl": {
    "h": 142.5,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.78159,
    "c": 0.18407,
    "h": 151.6
  },
  "luminance": 0.51582
}

Semantic roles & 50–950 ramp

primary

#40D879

secondary

#8A3369

accent

#3FA9E9

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D879

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

Preview Lab → · Contrast checker → · Palette generator →