#40E0BB#40E0BB

#40E0BB is a light, vivid teal. Relative luminance 0.580; OKLCH L 81.6% C 0.141 H 173.5°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#40E0BB
RGB	rgb(64, 224, 187)
HSL	hsl(166, 72%, 56%)
HSV	hsv(166, 71%, 88%)
CMYK	cmyk(71.4%, 0%, 16.5%, 12.2%)
CIE-LAB	lab(80.73, -49.46, 6.34)
CIE-LCH	lch(80.73, 49.86, 172.70°)
OKLab	oklab(81.62% -0.1396 0.016)
OKLCH	oklch(81.62% 0.141 173.5)
XYZ	xyz(37.7350, 57.9847, 56.2075)
Luminance	0.5799 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E0BB #E04065

analogous

#40E06B #40E0BB #40B5E0

triadic

#40E0BB #BB40E0 #E0BB40

tetradic

#40E0BB #6B40E0 #E04065 #B5E040

square

#40E0BB #6B40E0 #E04065 #B5E040

split-complementary

#40E0BB #E040B5 #E06B40

monochromatic

#178E73 #20C39D #40E0BB #75E9CE #A9F1E0

Accessibility & contrast

On white

1.67

#40E0BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.60

#40E0BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E0BB

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E0BB	#FFFFFF	#000000	##000000
##40E0BB	1.00	1.67	12.60	12.60
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.60	21.00	1.00	1.00
##000000	12.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9D2B9

Deuteranopia (green-blind)

#C3C2BE

Tritanopia (blue-blind)

#00E2D5

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40e0bb;
/* rgb */ color: rgb(64, 224, 187);
/* oklch */ color: oklch(81.6% 0.141 173.5);

Tailwind

colors: {
  custom: {
    50: '#8aeacf',
    500: '#40e0bb',
    950: '#000000',
  },
}

SCSS

$custom: #40e0bb;
$custom-light: #8aeacf;
$custom-dark: #000000;

JSON

{
  "hex": "#40e0bb",
  "rgb": {
    "r": 64,
    "g": 224,
    "b": 187
  },
  "hsl": {
    "h": 166.125,
    "s": 72.072,
    "l": 56.471
  },
  "oklch": {
    "l": 0.8162,
    "c": 0.14056,
    "h": 173.5
  },
  "luminance": 0.57989
}

Semantic roles & 50–950 ramp

primary

#40E0BB

secondary

#943147

accent

#3963EF

background

#FCFEFE

surface

#F4FDFB

border

#CED5D4

text

#0D1613

muted

#7F8483

Preview Lab

Preview with #40E0BB

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

Preview Lab → · Contrast checker → · Palette generator →