#40B78B#40B78B

#40B78B is a light, vivid teal. Relative luminance 0.368; OKLCH L 70.1% C 0.125 H 164.8°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#40B78B
RGB	rgb(64, 183, 139)
HSL	hsl(158, 48%, 48%)
HSV	hsv(158, 65%, 72%)
CMYK	cmyk(65%, 0%, 24%, 28.2%)
CIE-LAB	lab(67.14, -43.63, 12.80)
CIE-LCH	lch(67.14, 45.47, 163.65°)
OKLab	oklab(70.14% -0.1205 0.0327)
OKLCH	oklch(70.14% 0.125 164.8)
XYZ	xyz(23.7056, 36.8185, 30.2785)
Luminance	0.3682 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B78B #B7406C

analogous

#40B74F #40B78B #40A7B7

triadic

#40B78B #8B40B7 #B78B40

tetradic

#40B78B #4F40B7 #B7406C #A7B740

square

#40B78B #4F40B7 #B7406C #A7B740

split-complementary

#40B78B #B740A7 #B74F40

monochromatic

#205C46 #308A69 #40B78B #69CBA7 #97DBC2

Accessibility & contrast

On white

2.51

#40B78B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.36

#40B78B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B78B

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B78B	#FFFFFF	#000000	##000000
##40B78B	1.00	2.51	8.36	8.36
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.36	21.00	1.00	1.00
##000000	8.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3AA89

Deuteranopia (green-blind)

#A39F8E

Tritanopia (blue-blind)

#00B7AB

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b78b;
/* rgb */ color: rgb(64, 183, 139);
/* oklch */ color: oklch(70.1% 0.125 164.8);

Tailwind

colors: {
  custom: {
    50: '#82cdad',
    500: '#40b78b',
    950: '#000000',
  },
}

SCSS

$custom: #40b78b;
$custom-light: #82cdad;
$custom-dark: #000000;

JSON

{
  "hex": "#40b78b",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 139
  },
  "hsl": {
    "h": 157.815,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.70136,
    "c": 0.12483,
    "h": 164.8
  },
  "luminance": 0.36821
}

Semantic roles & 50–950 ramp

primary

#40B78B

secondary

#C68DA2

accent

#5082D8

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C1310

muted

#7D827F

Preview Lab

Preview with #40B78B

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

Preview Lab → · Contrast checker → · Palette generator →