#40D981#40D981

#40D981 is a light, vivid green. Relative luminance 0.523; OKLCH L 78.6% C 0.178 H 153.4°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#40D981
RGB	rgb(64, 217, 129)
HSL	hsl(145, 67%, 55%)
HSV	hsv(145, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 40.6%, 14.9%)
CIE-LAB	lab(77.46, -59.08, 32.11)
CIE-LCH	lch(77.46, 67.25, 151.47°)
OKLab	oklab(78.55% -0.1593 0.0798)
OKLCH	oklch(78.55% 0.178 153.4)
XYZ	xyz(30.8869, 52.2972, 29.2312)
Luminance	0.5230 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D981 #D94098

analogous

#4CD940 #40D981 #40D9CD

triadic

#40D981 #8140D9 #D98140

tetradic

#40D981 #404CD9 #D94098 #D9CD40

square

#40D981 #404CD9 #D94098 #D9CD40

split-complementary

#40D981 #CD40D9 #D9404C

monochromatic

#1A8447 #24B763 #40D981 #73E3A3 #A6EDC4

Accessibility & contrast

On white

1.83

#40D981 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#40D981 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D981

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D981	#FFFFFF	#000000	##000000
##40D981	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C77B

Deuteranopia (green-blind)

#C6BA87

Tritanopia (blue-blind)

#00D6C3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d981;
/* rgb */ color: rgb(64, 217, 129);
/* oklch */ color: oklch(78.6% 0.178 153.4);

Tailwind

colors: {
  custom: {
    50: '#88e6a6',
    500: '#40d981',
    950: '#000000',
  },
}

SCSS

$custom: #40d981;
$custom-light: #88e6a6;
$custom-dark: #000000;

JSON

{
  "hex": "#40d981",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 129
  },
  "hsl": {
    "h": 145.49,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78554,
    "c": 0.17817,
    "h": 153.4
  },
  "luminance": 0.52301
}

Semantic roles & 50–950 ramp

primary

#40D981

secondary

#8B3265

accent

#3EA1EA

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D981

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

Preview Lab → · Contrast checker → · Palette generator →