#40B189#40B189

#40B189 is a light, moderate teal. Relative luminance 0.343; OKLCH L 68.6% C 0.119 H 166.0°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#40B189
RGB	rgb(64, 177, 137)
HSL	hsl(159, 47%, 47%)
HSV	hsv(159, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 22.6%, 30.6%)
CIE-LAB	lab(65.23, -41.52, 11.21)
CIE-LCH	lch(65.23, 43.00, 164.89°)
OKLab	oklab(68.56% -0.115 0.0287)
OKLCH	oklch(68.56% 0.119 166)
XYZ	xyz(22.3495, 34.3381, 29.1121)
Luminance	0.3434 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B189 #B14068

analogous

#40B151 #40B189 #40A1B1

triadic

#40B189 #8940B1 #B18940

tetradic

#40B189 #5140B1 #B14068 #A1B140

square

#40B189 #5140B1 #B14068 #A1B140

split-complementary

#40B189 #B140A1 #B15140

monochromatic

#1F5743 #308466 #40B189 #66C8A5 #93D8C0

Accessibility & contrast

On white

2.67

#40B189 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#40B189 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B189

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B189	#FFFFFF	#000000	##000000
##40B189	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADA587

Deuteranopia (green-blind)

#9E9A8C

Tritanopia (blue-blind)

#00B1A6

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b189;
/* rgb */ color: rgb(64, 177, 137);
/* oklch */ color: oklch(68.6% 0.119 166.0);

Tailwind

colors: {
  custom: {
    50: '#81c9ab',
    500: '#40b189',
    950: '#000000',
  },
}

SCSS

$custom: #40b189;
$custom-light: #81c9ab;
$custom-dark: #000000;

JSON

{
  "hex": "#40b189",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 137
  },
  "hsl": {
    "h": 158.761,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.68558,
    "c": 0.11857,
    "h": 166
  },
  "luminance": 0.3434
}

Semantic roles & 50–950 ramp

primary

#40B189

secondary

#C3899E

accent

#5180D7

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40B189

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

Preview Lab → · Contrast checker → · Palette generator →