#42DDD9#42DDD9

#42DDD9 is a light, vivid teal. Relative luminance 0.579; OKLCH L 81.8% C 0.126 H 192.4°. Best body text is #000000 at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#42DDD9
RGB	rgb(66, 221, 217)
HSL	hsl(178, 70%, 56%)
HSV	hsv(178, 70%, 87%)
CMYK	cmyk(70.1%, 0%, 1.8%, 13.3%)
CIE-LAB	lab(80.67, -40.05, -9.69)
CIE-LCH	lch(80.67, 41.21, 193.60°)
OKLab	oklab(81.84% -0.1226 -0.027)
OKLCH	oklch(81.84% 0.126 192.4)
XYZ	xyz(40.6218, 57.8761, 74.6625)
Luminance	0.5788 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DDD9 #DD4246

analogous

#42DD8C #42DDD9 #4294DD

triadic

#42DDD9 #D942DD #DDD942

tetradic

#42DDD9 #8C42DD #DD4246 #94DD42

square

#42DDD9 #8C42DD #DD4246 #94DD42

split-complementary

#42DDD9 #DD4294 #DD8C42

monochromatic

#198C89 #22BFBB #42DDD9 #76E6E3 #AAF0EE

Accessibility & contrast

On white

1.67

#42DDD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.58

#42DDD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DDD9

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DDD9	#FFFFFF	#000000	##000000
##42DDD9	1.00	1.67	12.58	12.58
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.58	21.00	1.00	1.00
##000000	12.58	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: #42ddd9;
/* rgb */ color: rgb(66, 221, 217);
/* oklch */ color: oklch(81.8% 0.126 192.4);

Tailwind

colors: {
  custom: {
    50: '#8de8e4',
    500: '#42ddd9',
    950: '#000000',
  },
}

SCSS

$custom: #42ddd9;
$custom-light: #8de8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42ddd9",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 217
  },
  "hsl": {
    "h": 178.452,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.81844,
    "c": 0.12559,
    "h": 192.4
  },
  "luminance": 0.57881
}

Semantic roles & 50–950 ramp

primary

#42DDD9

secondary

#913235

accent

#3B40EC

background

#FCFEFE

surface

#F5FDFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42DDD9

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

Preview Lab → · Contrast checker → · Palette generator →