#42DFBB#42DFBB

#42DFBB is a light, vivid teal. Relative luminance 0.575; OKLCH L 81.4% C 0.139 H 173.8°. Best body text is #000000 at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#42DFBB
RGB	rgb(66, 223, 187)
HSL	hsl(166, 71%, 57%)
HSV	hsv(166, 70%, 87%)
CMYK	cmyk(70.4%, 0%, 16.1%, 12.5%)
CIE-LAB	lab(80.47, -48.77, 5.97)
CIE-LCH	lch(80.47, 49.14, 173.02°)
OKLab	oklab(81.42% -0.1379 0.015)
OKLCH	oklch(81.42% 0.139 173.8)
XYZ	xyz(37.5995, 57.5171, 56.1244)
Luminance	0.5752 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DFBB #DF4266

analogous

#42DF6D #42DFBB #42B5DF

triadic

#42DFBB #BB42DF #DFBB42

tetradic

#42DFBB #6D42DF #DF4266 #B5DF42

square

#42DFBB #6D42DF #DF4266 #B5DF42

split-complementary

#42DFBB #DF42B5 #DF6D42

monochromatic

#188E73 #21C39E #42DFBB #76E8CE #ABF1E1

Accessibility & contrast

On white

1.68

#42DFBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.50

#42DFBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DFBB

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DFBB	#FFFFFF	#000000	##000000
##42DFBB	1.00	1.68	12.50	12.50
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.50	21.00	1.00	1.00
##000000	12.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8D1B9

Deuteranopia (green-blind)

#C2C1BE

Tritanopia (blue-blind)

#00E1D4

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #42dfbb;
/* rgb */ color: rgb(66, 223, 187);
/* oklch */ color: oklch(81.4% 0.139 173.8);

Tailwind

colors: {
  custom: {
    50: '#8beacf',
    500: '#42dfbb',
    950: '#000000',
  },
}

SCSS

$custom: #42dfbb;
$custom-light: #8beacf;
$custom-dark: #000000;

JSON

{
  "hex": "#42dfbb",
  "rgb": {
    "r": 66,
    "g": 223,
    "b": 187
  },
  "hsl": {
    "h": 166.242,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.81418,
    "c": 0.13873,
    "h": 173.8
  },
  "luminance": 0.57521
}

Semantic roles & 50–950 ramp

primary

#42DFBB

secondary

#943248

accent

#3A63EE

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0D1613

muted

#7F8483

Preview Lab

Preview with #42DFBB

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

Preview Lab → · Contrast checker → · Palette generator →