#40DDD9#40DDD9

#40DDD9 is a light, vivid teal. Relative luminance 0.578; OKLCH L 81.8% C 0.126 H 192.4°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#40DDD9
RGB	rgb(64, 221, 217)
HSL	hsl(178, 70%, 56%)
HSV	hsv(178, 71%, 87%)
CMYK	cmyk(71%, 0%, 1.8%, 13.3%)
CIE-LAB	lab(80.63, -40.30, -9.75)
CIE-LCH	lch(80.63, 41.46, 193.60°)
OKLab	oklab(81.8% -0.1234 -0.0272)
OKLCH	oklch(81.8% 0.126 192.4)
XYZ	xyz(40.4894, 57.8078, 74.6563)
Luminance	0.5781 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DDD9 #DD4044

analogous

#40DD8A #40DDD9 #4093DD

triadic

#40DDD9 #D940DD #DDD940

tetradic

#40DDD9 #8A40DD #DD4044 #93DD40

square

#40DDD9 #8A40DD #DD4044 #93DD40

split-complementary

#40DDD9 #DD4093 #DD8A40

monochromatic

#198A87 #22BEBA #40DDD9 #74E6E3 #A8EFEE

Accessibility & contrast

On white

1.67

#40DDD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#40DDD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DDD9

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DDD9	#FFFFFF	#000000	##000000
##40DDD9	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD2D9

Deuteranopia (green-blind)

#B9C1DA

Tritanopia (blue-blind)

#00E3DB

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40ddd9;
/* rgb */ color: rgb(64, 221, 217);
/* oklch */ color: oklch(81.8% 0.126 192.4);

Tailwind

colors: {
  custom: {
    50: '#8ce8e4',
    500: '#40ddd9',
    950: '#000000',
  },
}

SCSS

$custom: #40ddd9;
$custom-light: #8ce8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#40ddd9",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 217
  },
  "hsl": {
    "h": 178.471,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.81802,
    "c": 0.12637,
    "h": 192.4
  },
  "luminance": 0.57813
}

Semantic roles & 50–950 ramp

primary

#40DDD9

secondary

#903134

accent

#3B40ED

background

#FCFEFE

surface

#F5FDFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #40DDD9

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

Preview Lab → · Contrast checker → · Palette generator →