#40B164#40B164

#40B164 is a light, vivid green. Relative luminance 0.335; OKLCH L 67.7% C 0.152 H 150.6°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#40B164
RGB	rgb(64, 177, 100)
HSL	hsl(139, 47%, 47%)
HSV	hsv(139, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 43.5%, 30.6%)
CIE-LAB	lab(64.53, -49.03, 30.20)
CIE-LCH	lch(64.53, 57.58, 148.37°)
OKLab	oklab(67.75% -0.1324 0.0745)
OKLCH	oklch(67.75% 0.152 150.6)
XYZ	xyz(20.1352, 33.4523, 17.4499)
Luminance	0.3345 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B164 #B1408D

analogous

#55B140 #40B164 #40B19D

triadic

#40B164 #6440B1 #B16440

tetradic

#40B164 #4055B1 #B1408D #B19D40

square

#40B164 #4055B1 #B1408D #B19D40

split-complementary

#40B164 #9D40B1 #B14055

monochromatic

#1F5731 #30844B #40B164 #66C885 #93D8A9

Accessibility & contrast

On white

2.73

#40B164 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#40B164 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B164

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B164	#FFFFFF	#000000	##000000
##40B164	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A35E

Deuteranopia (green-blind)

#A39869

Tritanopia (blue-blind)

#16AE9E

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b164;
/* rgb */ color: rgb(64, 177, 100);
/* oklch */ color: oklch(67.7% 0.152 150.6);

Tailwind

colors: {
  custom: {
    50: '#81c991',
    500: '#40b164',
    950: '#000000',
  },
}

SCSS

$custom: #40b164;
$custom-light: #81c991;
$custom-dark: #000000;

JSON

{
  "hex": "#40b164",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 100
  },
  "hsl": {
    "h": 139.115,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67749,
    "c": 0.1519,
    "h": 150.6
  },
  "luminance": 0.33454
}

Semantic roles & 50–950 ramp

primary

#40B164

secondary

#C389B1

accent

#51ACD7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130D

muted

#7C827D

Preview Lab

Preview with #40B164

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

Preview Lab → · Contrast checker → · Palette generator →