#40B939#40B939

#40B939 is a light, vivid green. Relative luminance 0.361; OKLCH L 69.3% C 0.198 H 142.3°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#40B939
RGB	rgb(64, 185, 57)
HSL	hsl(117, 53%, 47%)
HSV	hsv(117, 69%, 73%)
CMYK	cmyk(65.4%, 0%, 69.2%, 27.5%)
CIE-LAB	lab(66.58, -57.57, 52.84)
CIE-LCH	lch(66.58, 78.15, 137.45°)
OKLab	oklab(69.29% -0.1567 0.121)
OKLCH	oklch(69.29% 0.198 142.3)
XYZ	xyz(20.2007, 36.0813, 9.7699)
Luminance	0.3608 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B939 #B239B9

analogous

#80B939 #40B939 #39B972

triadic

#40B939 #3940B9 #B93940

tetradic

#40B939 #3980B9 #B239B9 #B97239

square

#40B939 #3980B9 #B239B9 #B97239

split-complementary

#40B939 #7239B9 #B93980

monochromatic

#205B1C #308A2B #40B939 #67CE61 #94DD90

Accessibility & contrast

On white

2.56

#40B939 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#40B939 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B939

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B939	#FFFFFF	#000000	##000000
##40B939	1.00	2.56	8.22	8.22
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA826

Deuteranopia (green-blind)

#AF9E45

Tritanopia (blue-blind)

#26B49F

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b939;
/* rgb */ color: rgb(64, 185, 57);
/* oklch */ color: oklch(69.3% 0.198 142.3);

Tailwind

colors: {
  custom: {
    50: '#84cf76',
    500: '#40b939',
    950: '#000000',
  },
}

SCSS

$custom: #40b939;
$custom-light: #84cf76;
$custom-dark: #000000;

JSON

{
  "hex": "#40b939",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 57
  },
  "hsl": {
    "h": 116.719,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69288,
    "c": 0.19796,
    "h": 142.3
  },
  "luminance": 0.36083
}

Semantic roles & 50–950 ramp

primary

#40B939

secondary

#C486C8

accent

#4BDCD4

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #40B939

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

Preview Lab → · Contrast checker → · Palette generator →