#40B183#40B183

#40B183 is a light, vivid teal. Relative luminance 0.342; OKLCH L 68.4% C 0.123 H 162.8°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#40B183
RGB	rgb(64, 177, 131)
HSL	hsl(156, 47%, 47%)
HSV	hsv(156, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 26%, 30.6%)
CIE-LAB	lab(65.10, -42.89, 14.32)
CIE-LCH	lch(65.10, 45.21, 161.54°)
OKLab	oklab(68.41% -0.1179 0.0365)
OKLCH	oklch(68.41% 0.123 162.8)
XYZ	xyz(21.9310, 34.1707, 26.9081)
Luminance	0.3417 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B183 #B1406E

analogous

#40B14A #40B183 #40A7B1

triadic

#40B183 #8340B1 #B18340

tetradic

#40B183 #4A40B1 #B1406E #A7B140

square

#40B183 #4A40B1 #B1406E #A7B140

split-complementary

#40B183 #B140A7 #B14A40

monochromatic

#1F5740 #308462 #40B183 #66C8A0 #93D8BC

Accessibility & contrast

On white

2.68

#40B183 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#40B183 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B183

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B183	#FFFFFF	#000000	##000000
##40B183	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA580

Deuteranopia (green-blind)

#9F9986

Tritanopia (blue-blind)

#00B1A4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b183;
/* rgb */ color: rgb(64, 177, 131);
/* oklch */ color: oklch(68.4% 0.123 162.8);

Tailwind

colors: {
  custom: {
    50: '#81c9a7',
    500: '#40b183',
    950: '#000000',
  },
}

SCSS

$custom: #40b183;
$custom-light: #81c9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b183",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 131
  },
  "hsl": {
    "h": 155.575,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.68407,
    "c": 0.12344,
    "h": 162.8
  },
  "luminance": 0.34173
}

Semantic roles & 50–950 ramp

primary

#40B183

secondary

#C389A1

accent

#5188D7

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #40B183

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

Preview Lab → · Contrast checker → · Palette generator →