#40D9B2#40D9B2

#40D9B2 is a light, vivid teal. Relative luminance 0.539; OKLCH L 79.7% C 0.138 H 171.8°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#40D9B2
RGB	rgb(64, 217, 178)
HSL	hsl(165, 67%, 55%)
HSV	hsv(165, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 18%, 14.9%)
CIE-LAB	lab(78.42, -48.73, 7.80)
CIE-LCH	lch(78.42, 49.35, 170.91°)
OKLab	oklab(79.66% -0.1369 0.0198)
OKLCH	oklch(79.66% 0.138 171.8)
XYZ	xyz(34.9589, 53.9260, 50.6772)
Luminance	0.5393 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9B2 #D94067

analogous

#40D966 #40D9B2 #40B3D9

triadic

#40D9B2 #B240D9 #D9B240

tetradic

#40D9B2 #6640D9 #D94067 #B3D940

square

#40D9B2 #6640D9 #D94067 #B3D940

split-complementary

#40D9B2 #D940B3 #D96640

monochromatic

#1A8469 #24B792 #40D9B2 #73E3C7 #A6EDDB

Accessibility & contrast

On white

1.78

#40D9B2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.79

#40D9B2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9B2

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9B2	#FFFFFF	#000000	##000000
##40D9B2	1.00	1.78	11.79	11.79
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.79	21.00	1.00	1.00
##000000	11.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2CBB0

Deuteranopia (green-blind)

#BEBCB5

Tritanopia (blue-blind)

#00DBCE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40d9b2;
/* rgb */ color: rgb(64, 217, 178);
/* oklch */ color: oklch(79.7% 0.138 171.8);

Tailwind

colors: {
  custom: {
    50: '#89e5c9',
    500: '#40d9b2',
    950: '#000000',
  },
}

SCSS

$custom: #40d9b2;
$custom-light: #89e5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9b2",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 178
  },
  "hsl": {
    "h": 164.706,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79659,
    "c": 0.13832,
    "h": 171.8
  },
  "luminance": 0.5393
}

Semantic roles & 50–950 ramp

primary

#40D9B2

secondary

#8B3249

accent

#3E6AEA

background

#FCFEFD

surface

#F4FCF9

border

#CED5D2

text

#0D1613

muted

#7F8482

Preview Lab

Preview with #40D9B2

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

Preview Lab → · Contrast checker → · Palette generator →