#42DDD8#42DDD8

#42DDD8 is a light, vivid teal. Relative luminance 0.578; OKLCH L 81.8% C 0.126 H 191.8°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#42DDD8
RGB	rgb(66, 221, 216)
HSL	hsl(178, 70%, 56%)
HSV	hsv(178, 70%, 87%)
CMYK	cmyk(70.1%, 0%, 2.3%, 13.3%)
CIE-LAB	lab(80.64, -40.33, -9.20)
CIE-LCH	lch(80.64, 41.37, 192.85°)
OKLab	oklab(81.81% -0.1231 -0.0257)
OKLCH	oklch(81.81% 0.126 191.8)
XYZ	xyz(40.4922, 57.8242, 73.9796)
Luminance	0.5783 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DDD8 #DD4247

analogous

#42DD8B #42DDD8 #4294DD

triadic

#42DDD8 #D842DD #DDD842

tetradic

#42DDD8 #8B42DD #DD4247 #94DD42

square

#42DDD8 #8B42DD #DD4247 #94DD42

split-complementary

#42DDD8 #DD4294 #DD8B42

monochromatic

#198C88 #22BFBA #42DDD8 #76E6E3 #AAF0ED

Accessibility & contrast

On white

1.67

#42DDD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.57

#42DDD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DDD8

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DDD8	#FFFFFF	#000000	##000000
##42DDD8	1.00	1.67	12.57	12.57
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.57	21.00	1.00	1.00
##000000	12.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D2D8

Deuteranopia (green-blind)

#B9C1D9

Tritanopia (blue-blind)

#00E3DB

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #42ddd8;
/* rgb */ color: rgb(66, 221, 216);
/* oklch */ color: oklch(81.8% 0.126 191.8);

Tailwind

colors: {
  custom: {
    50: '#8de8e4',
    500: '#42ddd8',
    950: '#000000',
  },
}

SCSS

$custom: #42ddd8;
$custom-light: #8de8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42ddd8",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 216
  },
  "hsl": {
    "h": 178.065,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.81811,
    "c": 0.12573,
    "h": 191.8
  },
  "luminance": 0.57829
}

Semantic roles & 50–950 ramp

primary

#42DDD8

secondary

#913235

accent

#3B41EC

background

#FCFEFE

surface

#F5FDFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42DDD8

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

Preview Lab → · Contrast checker → · Palette generator →