#40B161#40B161

#40B161 is a light, vivid green. Relative luminance 0.334; OKLCH L 67.7% C 0.155 H 149.8°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#40B161
RGB	rgb(64, 177, 97)
HSL	hsl(138, 47%, 47%)
HSV	hsv(138, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 45.2%, 30.6%)
CIE-LAB	lab(64.48, -49.54, 31.70)
CIE-LCH	lch(64.48, 58.81, 147.38°)
OKLab	oklab(67.7% -0.1337 0.0779)
OKLCH	oklch(67.7% 0.155 149.8)
XYZ	xyz(19.9927, 33.3953, 16.6993)
Luminance	0.3340 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B161 #B14090

analogous

#58B140 #40B161 #40B19A

triadic

#40B161 #6140B1 #B16140

tetradic

#40B161 #4058B1 #B14090 #B19A40

square

#40B161 #4058B1 #B14090 #B19A40

split-complementary

#40B161 #9A40B1 #B14058

monochromatic

#1F5730 #308448 #40B161 #66C883 #93D8A7

Accessibility & contrast

On white

2.73

#40B161 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#40B161 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B161

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B161	#FFFFFF	#000000	##000000
##40B161	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A25B

Deuteranopia (green-blind)

#A49866

Tritanopia (blue-blind)

#18AE9E

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b161;
/* rgb */ color: rgb(64, 177, 97);
/* oklch */ color: oklch(67.7% 0.155 149.8);

Tailwind

colors: {
  custom: {
    50: '#81c98f',
    500: '#40b161',
    950: '#000000',
  },
}

SCSS

$custom: #40b161;
$custom-light: #81c98f;
$custom-dark: #000000;

JSON

{
  "hex": "#40b161",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 97
  },
  "hsl": {
    "h": 137.522,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67696,
    "c": 0.15472,
    "h": 149.8
  },
  "luminance": 0.33397
}

Semantic roles & 50–950 ramp

primary

#40B161

secondary

#C389B2

accent

#51B0D7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40B161

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

Preview Lab → · Contrast checker → · Palette generator →