#42D9D4#42D9D4

#42D9D4 is a light, vivid teal. Relative luminance 0.555; OKLCH L 80.7% C 0.123 H 191.7°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#42D9D4
RGB	rgb(66, 217, 212)
HSL	hsl(178, 67%, 55%)
HSV	hsv(178, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 2.3%, 14.9%)
CIE-LAB	lab(79.35, -39.63, -8.99)
CIE-LCH	lch(79.35, 40.64, 192.78°)
OKLab	oklab(80.72% -0.1209 -0.0251)
OKLCH	oklch(80.72% 0.123 191.7)
XYZ	xyz(38.9378, 55.5329, 70.9414)
Luminance	0.5554 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9D4 #D94247

analogous

#42D988 #42D9D4 #4293D9

triadic

#42D9D4 #D442D9 #D9D442

tetradic

#42D9D4 #8842D9 #D94247 #93D942

square

#42D9D4 #8842D9 #D94247 #93D942

split-complementary

#42D9D4 #D94293 #D98842

monochromatic

#1B8682 #25B9B4 #42D9D4 #75E3E0 #A8EDEB

Accessibility & contrast

On white

1.73

#42D9D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#42D9D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9D4

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9D4	#FFFFFF	#000000	##000000
##42D9D4	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCCED4

Deuteranopia (green-blind)

#B6BED5

Tritanopia (blue-blind)

#00DFD7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42d9d4;
/* rgb */ color: rgb(66, 217, 212);
/* oklch */ color: oklch(80.7% 0.123 191.7);

Tailwind

colors: {
  custom: {
    50: '#8ce5e1',
    500: '#42d9d4',
    950: '#000000',
  },
}

SCSS

$custom: #42d9d4;
$custom-light: #8ce5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9d4",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 212
  },
  "hsl": {
    "h": 178.013,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80722,
    "c": 0.12347,
    "h": 191.7
  },
  "luminance": 0.55537
}

Semantic roles & 50–950 ramp

primary

#42D9D4

secondary

#8C3336

accent

#3E44E9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D9D4

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

Preview Lab → · Contrast checker → · Palette generator →