#40B771#40B771

#40B771 is a light, vivid green. Relative luminance 0.361; OKLCH L 69.6% C 0.148 H 153.8°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#40B771
RGB	rgb(64, 183, 113)
HSL	hsl(145, 48%, 48%)
HSV	hsv(145, 65%, 72%)
CMYK	cmyk(65%, 0%, 38.3%, 28.2%)
CIE-LAB	lab(66.63, -49.05, 26.12)
CIE-LCH	lch(66.63, 55.58, 151.96°)
OKLab	oklab(69.55% -0.1327 0.0652)
OKLCH	oklch(69.55% 0.148 153.8)
XYZ	xyz(22.0266, 36.1469, 21.4358)
Luminance	0.3615 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B771 #B74086

analogous

#4AB740 #40B771 #40B7AC

triadic

#40B771 #7140B7 #B77140

tetradic

#40B771 #404AB7 #B74086 #B7AC40

square

#40B771 #404AB7 #B74086 #B7AC40

split-complementary

#40B771 #AC40B7 #B7404A

monochromatic

#205C39 #308A55 #40B771 #69CB92 #97DBB3

Accessibility & contrast

On white

2.55

#40B771 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#40B771 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B771

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B771	#FFFFFF	#000000	##000000
##40B771	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A96C

Deuteranopia (green-blind)

#A79E76

Tritanopia (blue-blind)

#00B5A5

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b771;
/* rgb */ color: rgb(64, 183, 113);
/* oklch */ color: oklch(69.6% 0.148 153.8);

Tailwind

colors: {
  custom: {
    50: '#82cd9a',
    500: '#40b771',
    950: '#000000',
  },
}

SCSS

$custom: #40b771;
$custom-light: #82cd9a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b771",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 113
  },
  "hsl": {
    "h": 144.706,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69551,
    "c": 0.14785,
    "h": 153.8
  },
  "luminance": 0.36149
}

Semantic roles & 50–950 ramp

primary

#40B771

secondary

#C68DAE

accent

#50A0D8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140E

muted

#7D827E

Preview Lab

Preview with #40B771

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

Preview Lab → · Contrast checker → · Palette generator →