#40D9BC#40D9BC

#40D9BC is a light, vivid teal. Relative luminance 0.543; OKLCH L 79.9% C 0.133 H 177.1°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#40D9BC
RGB	rgb(64, 217, 188)
HSL	hsl(169, 67%, 55%)
HSV	hsv(169, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 13.4%, 14.9%)
CIE-LAB	lab(78.66, -46.26, 2.82)
CIE-LCH	lch(78.66, 46.34, 176.52°)
OKLab	oklab(79.94% -0.1323 0.0068)
OKLCH	oklch(79.94% 0.133 177.1)
XYZ	xyz(35.9998, 54.3423, 56.1590)
Luminance	0.5435 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9BC #D9405D

analogous

#40D96F #40D9BC #40AAD9

triadic

#40D9BC #BC40D9 #D9BC40

tetradic

#40D9BC #6F40D9 #D9405D #AAD940

square

#40D9BC #6F40D9 #D9405D #AAD940

split-complementary

#40D9BC #D940AA #D96F40

monochromatic

#1A8470 #24B79B #40D9BC #73E3CE #A6EDE0

Accessibility & contrast

On white

1.77

#40D9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.87

#40D9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9BC

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9BC	#FFFFFF	#000000	##000000
##40D9BC	1.00	1.77	11.87	11.87
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.87	21.00	1.00	1.00
##000000	11.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBB

Deuteranopia (green-blind)

#BCBCBE

Tritanopia (blue-blind)

#00DCD0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40d9bc;
/* rgb */ color: rgb(64, 217, 188);
/* oklch */ color: oklch(79.9% 0.133 177.1);

Tailwind

colors: {
  custom: {
    50: '#89e5d0',
    500: '#40d9bc',
    950: '#000000',
  },
}

SCSS

$custom: #40d9bc;
$custom-light: #89e5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9bc",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 188
  },
  "hsl": {
    "h": 168.627,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79937,
    "c": 0.1325,
    "h": 177.1
  },
  "luminance": 0.54347
}

Semantic roles & 50–950 ramp

primary

#40D9BC

secondary

#8B3243

accent

#3E5FEA

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1613

muted

#7F8483

Preview Lab

Preview with #40D9BC

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

Preview Lab → · Contrast checker → · Palette generator →