#40B157#40B157

#40B157 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.5% C 0.164 H 147.3°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#40B157
RGB	rgb(64, 177, 87)
HSL	hsl(132, 47%, 47%)
HSV	hsv(132, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 50.8%, 30.6%)
CIE-LAB	lab(64.34, -51.11, 36.63)
CIE-LCH	lch(64.34, 62.88, 144.38°)
OKLab	oklab(67.53% -0.138 0.0886)
OKLCH	oklch(67.53% 0.164 147.3)
XYZ	xyz(19.5554, 33.2204, 14.3966)
Luminance	0.3322 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B157 #B1409A

analogous

#62B140 #40B157 #40B18F

triadic

#40B157 #5740B1 #B15740

tetradic

#40B157 #4062B1 #B1409A #B18F40

square

#40B157 #4062B1 #B1409A #B18F40

split-complementary

#40B157 #8F40B1 #B14062

monochromatic

#1F572B #308441 #40B157 #66C87A #93D8A1

Accessibility & contrast

On white

2.75

#40B157 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#40B157 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B157

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B157	#FFFFFF	#000000	##000000
##40B157	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A24F

Deuteranopia (green-blind)

#A5985D

Tritanopia (blue-blind)

#1FAD9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b157;
/* rgb */ color: rgb(64, 177, 87);
/* oklch */ color: oklch(67.5% 0.164 147.3);

Tailwind

colors: {
  custom: {
    50: '#81c988',
    500: '#40b157',
    950: '#000000',
  },
}

SCSS

$custom: #40b157;
$custom-light: #81c988;
$custom-dark: #000000;

JSON

{
  "hex": "#40b157",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 87
  },
  "hsl": {
    "h": 132.212,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67534,
    "c": 0.16401,
    "h": 147.3
  },
  "luminance": 0.33222
}

Semantic roles & 50–950 ramp

primary

#40B157

secondary

#C389B8

accent

#51BBD7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #40B157

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

Preview Lab → · Contrast checker → · Palette generator →