#40B680#40B680

#40B680 is a light, vivid teal. Relative luminance 0.361; OKLCH L 69.6% C 0.133 H 159.8°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#40B680
RGB	rgb(64, 182, 128)
HSL	hsl(153, 48%, 48%)
HSV	hsv(153, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 29.7%, 28.6%)
CIE-LAB	lab(66.60, -45.64, 18.03)
CIE-LCH	lch(66.60, 49.07, 158.44°)
OKLab	oklab(69.62% -0.1246 0.0458)
OKLCH	oklch(69.62% 0.133 159.8)
XYZ	xyz(22.7364, 36.1020, 26.1880)
Luminance	0.3610 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B680 #B64076

analogous

#40B645 #40B680 #40B1B6

triadic

#40B680 #8040B6 #B68040

tetradic

#40B680 #4540B6 #B64076 #B1B640

square

#40B680 #4540B6 #B64076 #B1B640

split-complementary

#40B680 #B640B1 #B64540

monochromatic

#205B40 #308960 #40B680 #69CA9E #96DABB

Accessibility & contrast

On white

2.55

#40B680 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#40B680 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B680

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B680	#FFFFFF	#000000	##000000
##40B680	1.00	2.55	8.22	8.22
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A97D

Deuteranopia (green-blind)

#A49D83

Tritanopia (blue-blind)

#00B5A8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b680;
/* rgb */ color: rgb(64, 182, 128);
/* oklch */ color: oklch(69.6% 0.133 159.8);

Tailwind

colors: {
  custom: {
    50: '#82cda5',
    500: '#40b680',
    950: '#000000',
  },
}

SCSS

$custom: #40b680;
$custom-light: #82cda5;
$custom-dark: #000000;

JSON

{
  "hex": "#40b680",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 128
  },
  "hsl": {
    "h": 152.542,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.69615,
    "c": 0.13277,
    "h": 159.8
  },
  "luminance": 0.36104
}

Semantic roles & 50–950 ramp

primary

#40B680

secondary

#C68CA6

accent

#508ED8

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C130F

muted

#7D827F

Preview Lab

Preview with #40B680

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

Preview Lab → · Contrast checker → · Palette generator →