#40B191#40B191

#40B191 is a light, moderate teal. Relative luminance 0.346; OKLCH L 68.8% C 0.113 H 170.8°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#40B191
RGB	rgb(64, 177, 145)
HSL	hsl(163, 47%, 47%)
HSV	hsv(163, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 18.1%, 30.6%)
CIE-LAB	lab(65.42, -39.61, 7.06)
CIE-LCH	lch(65.42, 40.23, 169.89°)
OKLab	oklab(68.77% -0.1112 0.018)
OKLCH	oklch(68.77% 0.113 170.8)
XYZ	xyz(22.9448, 34.5762, 32.2472)
Luminance	0.3458 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B191 #B14060

analogous

#40B159 #40B191 #4099B1

triadic

#40B191 #9140B1 #B19140

tetradic

#40B191 #5940B1 #B14060 #99B140

square

#40B191 #5940B1 #B14060 #99B140

split-complementary

#40B191 #B14099 #B15940

monochromatic

#1F5747 #30846C #40B191 #66C8AC #93D8C5

Accessibility & contrast

On white

2.65

#40B191 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#40B191 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B191

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B191	#FFFFFF	#000000	##000000
##40B191	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACA68F

Deuteranopia (green-blind)

#9C9A93

Tritanopia (blue-blind)

#00B2A8

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b191;
/* rgb */ color: rgb(64, 177, 145);
/* oklch */ color: oklch(68.8% 0.113 170.8);

Tailwind

colors: {
  custom: {
    50: '#81c9b1',
    500: '#40b191',
    950: '#000000',
  },
}

SCSS

$custom: #40b191;
$custom-light: #81c9b1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b191",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 145
  },
  "hsl": {
    "h": 163.009,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.68773,
    "c": 0.1127,
    "h": 170.8
  },
  "luminance": 0.34579
}

Semantic roles & 50–950 ramp

primary

#40B191

secondary

#C3899A

accent

#5177D7

background

#F8FCFA

surface

#F0F8F5

border

#CBD1CF

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #40B191

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

Preview Lab → · Contrast checker → · Palette generator →