#40D771#40D771

#40D771 is a light, vivid green. Relative luminance 0.509; OKLCH L 77.8% C 0.190 H 149.9°. Best body text is #000000 at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#40D771
RGB	rgb(64, 215, 113)
HSL	hsl(139, 65%, 55%)
HSV	hsv(139, 70%, 84%)
CMYK	cmyk(70.2%, 0%, 47.4%, 15.7%)
CIE-LAB	lab(76.61, -61.04, 39.04)
CIE-LCH	lch(76.61, 72.46, 147.40°)
OKLab	oklab(77.77% -0.1643 0.0952)
OKLCH	oklch(77.77% 0.19 149.9)
XYZ	xyz(29.3931, 50.8798, 23.8913)
Luminance	0.5088 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D771 #D740A6

analogous

#5BD740 #40D771 #40D7BC

triadic

#40D771 #7140D7 #D77140

tetradic

#40D771 #405BD7 #D740A6 #D7BC40

square

#40D771 #405BD7 #D740A6 #D7BC40

split-complementary

#40D771 #BC40D7 #D7405B

monochromatic

#1B813C #26B454 #40D771 #73E297 #A5ECBC

Accessibility & contrast

On white

1.88

#40D771 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.18

#40D771 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D771

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D771	#FFFFFF	#000000	##000000
##40D771	1.00	1.88	11.18	11.18
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.18	21.00	1.00	1.00
##000000	11.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C569

Deuteranopia (green-blind)

#C6B878

Tritanopia (blue-blind)

#00D3BF

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #40d771;
/* rgb */ color: rgb(64, 215, 113);
/* oklch */ color: oklch(77.8% 0.190 149.9);

Tailwind

colors: {
  custom: {
    50: '#88e49b',
    500: '#40d771',
    950: '#000000',
  },
}

SCSS

$custom: #40d771;
$custom-light: #88e49b;
$custom-dark: #000000;

JSON

{
  "hex": "#40d771",
  "rgb": {
    "r": 64,
    "g": 215,
    "b": 113
  },
  "hsl": {
    "h": 139.47,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77773,
    "c": 0.18993,
    "h": 149.9
  },
  "luminance": 0.50883
}

Semantic roles & 50–950 ramp

primary

#40D771

secondary

#88336D

accent

#3FB2E8

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160E

muted

#7F847F

Preview Lab

Preview with #40D771

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

Preview Lab → · Contrast checker → · Palette generator →