#40B159#40B159

#40B159 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.6% C 0.162 H 147.8°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#40B159
RGB	rgb(64, 177, 89)
HSL	hsl(133, 47%, 47%)
HSV	hsv(133, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 49.7%, 30.6%)
CIE-LAB	lab(64.37, -50.81, 35.65)
CIE-LCH	lch(64.37, 62.07, 144.94°)
OKLab	oklab(67.57% -0.1372 0.0865)
OKLCH	oklch(67.57% 0.162 147.8)
XYZ	xyz(19.6383, 33.2536, 14.8329)
Luminance	0.3326 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B159 #B14098

analogous

#60B140 #40B159 #40B191

triadic

#40B159 #5940B1 #B15940

tetradic

#40B159 #4060B1 #B14098 #B19140

square

#40B159 #4060B1 #B14098 #B19140

split-complementary

#40B159 #9140B1 #B14060

monochromatic

#1F572C #308442 #40B159 #66C87C #93D8A3

Accessibility & contrast

On white

2.74

#40B159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#40B159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B159

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B159	#FFFFFF	#000000	##000000
##40B159	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A252

Deuteranopia (green-blind)

#A5985F

Tritanopia (blue-blind)

#1EAD9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b159;
/* rgb */ color: rgb(64, 177, 89);
/* oklch */ color: oklch(67.6% 0.162 147.8);

Tailwind

colors: {
  custom: {
    50: '#81c989',
    500: '#40b159',
    950: '#000000',
  },
}

SCSS

$custom: #40b159;
$custom-light: #81c989;
$custom-dark: #000000;

JSON

{
  "hex": "#40b159",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 89
  },
  "hsl": {
    "h": 133.274,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67565,
    "c": 0.16217,
    "h": 147.8
  },
  "luminance": 0.33256
}

Semantic roles & 50–950 ramp

primary

#40B159

secondary

#C389B7

accent

#51B9D7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40B159

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

Preview Lab → · Contrast checker → · Palette generator →