#40B184#40B184

#40B184 is a light, vivid teal. Relative luminance 0.342; OKLCH L 68.4% C 0.123 H 163.3°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#40B184
RGB	rgb(64, 177, 132)
HSL	hsl(156, 47%, 47%)
HSV	hsv(156, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 25.4%, 30.6%)
CIE-LAB	lab(65.12, -42.66, 13.80)
CIE-LCH	lch(65.12, 44.84, 162.08°)
OKLab	oklab(68.43% -0.1174 0.0352)
OKLCH	oklch(68.43% 0.123 163.3)
XYZ	xyz(21.9991, 34.1979, 27.2668)
Luminance	0.3420 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B184 #B1406D

analogous

#40B14B #40B184 #40A6B1

triadic

#40B184 #8440B1 #B18440

tetradic

#40B184 #4B40B1 #B1406D #A6B140

square

#40B184 #4B40B1 #B1406D #A6B140

split-complementary

#40B184 #B140A6 #B14B40

monochromatic

#1F5741 #308462 #40B184 #66C8A1 #93D8BD

Accessibility & contrast

On white

2.68

#40B184 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#40B184 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B184

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B184	#FFFFFF	#000000	##000000
##40B184	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA582

Deuteranopia (green-blind)

#9F9A87

Tritanopia (blue-blind)

#00B1A5

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b184;
/* rgb */ color: rgb(64, 177, 132);
/* oklch */ color: oklch(68.4% 0.123 163.3);

Tailwind

colors: {
  custom: {
    50: '#81c9a7',
    500: '#40b184',
    950: '#000000',
  },
}

SCSS

$custom: #40b184;
$custom-light: #81c9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b184",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 132
  },
  "hsl": {
    "h": 156.106,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.68431,
    "c": 0.1226,
    "h": 163.3
  },
  "luminance": 0.342
}

Semantic roles & 50–950 ramp

primary

#40B184

secondary

#C389A0

accent

#5186D7

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0B130F

muted

#7C827F

Preview Lab

Preview with #40B184

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

Preview Lab → · Contrast checker → · Palette generator →