#40B342#40B342

#40B342 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.8% C 0.184 H 143.5°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#40B342
RGB	rgb(64, 179, 66)
HSL	hsl(121, 47%, 48%)
HSV	hsv(121, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 63.1%, 29.8%)
CIE-LAB	lab(64.74, -54.56, 47.06)
CIE-LCH	lch(64.74, 72.05, 139.22°)
OKLab	oklab(67.79% -0.1481 0.1098)
OKLCH	oklch(67.79% 0.184 143.5)
XYZ	xyz(19.2167, 33.7216, 10.6494)
Luminance	0.3372 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B342 #B340B1

analogous

#78B340 #40B342 #40B37B

triadic

#40B342 #4240B3 #B34240

tetradic

#40B342 #4078B3 #B340B1 #B37B40

square

#40B342 #4078B3 #B340B1 #B37B40

split-complementary

#40B342 #7B40B3 #B34078

monochromatic

#205921 #308631 #40B342 #67C969 #94D996

Accessibility & contrast

On white

2.71

#40B342 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#40B342 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B342

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B342	#FFFFFF	#000000	##000000
##40B342	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A335

Deuteranopia (green-blind)

#A9994C

Tritanopia (blue-blind)

#27AE9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b342;
/* rgb */ color: rgb(64, 179, 66);
/* oklch */ color: oklch(67.8% 0.184 143.5);

Tailwind

colors: {
  custom: {
    50: '#83cb7b',
    500: '#40b342',
    950: '#000000',
  },
}

SCSS

$custom: #40b342;
$custom-light: #83cb7b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b342",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 66
  },
  "hsl": {
    "h": 121.043,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.6779,
    "c": 0.18433,
    "h": 143.5
  },
  "luminance": 0.33724
}

Semantic roles & 50–950 ramp

primary

#40B342

secondary

#C48AC3

accent

#51D5D7

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #40B342

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

Preview Lab → · Contrast checker → · Palette generator →