#40B339#40B339

#40B339 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.7% C 0.191 H 142.3°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#40B339
RGB	rgb(64, 179, 57)
HSL	hsl(117, 52%, 46%)
HSV	hsv(117, 68%, 70%)
CMYK	cmyk(64.2%, 0%, 68.2%, 29.8%)
CIE-LAB	lab(64.66, -55.48, 50.81)
CIE-LCH	lch(64.66, 75.22, 137.52°)
OKLab	oklab(67.7% -0.151 0.1167)
OKLCH	oklch(67.7% 0.191 142.3)
XYZ	xyz(18.9719, 33.6237, 9.3603)
Luminance	0.3363 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B339 #AC39B3

analogous

#7DB339 #40B339 #39B36F

triadic

#40B339 #3940B3 #B33940

tetradic

#40B339 #397DB3 #AC39B3 #B36F39

square

#40B339 #397DB3 #AC39B3 #B36F39

split-complementary

#40B339 #6F39B3 #B3397D

monochromatic

#1F561B #2F852A #40B339 #64CC5E #91DA8C

Accessibility & contrast

On white

2.72

#40B339 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#40B339 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B339

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B339	#FFFFFF	#000000	##000000
##40B339	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A328

Deuteranopia (green-blind)

#A99944

Tritanopia (blue-blind)

#29AE9A

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b339;
/* rgb */ color: rgb(64, 179, 57);
/* oklch */ color: oklch(67.7% 0.191 142.3);

Tailwind

colors: {
  custom: {
    50: '#83cb75',
    500: '#40b339',
    950: '#000000',
  },
}

SCSS

$custom: #40b339;
$custom-light: #83cb75;
$custom-dark: #000000;

JSON

{
  "hex": "#40b339",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 57
  },
  "hsl": {
    "h": 116.557,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.677,
    "c": 0.19085,
    "h": 142.3
  },
  "luminance": 0.33626
}

Semantic roles & 50–950 ramp

primary

#40B339

secondary

#C183C5

accent

#4DDBD3

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B339

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

Preview Lab → · Contrast checker → · Palette generator →