#42D9D3#42D9D3

#42D9D3 is a light, vivid teal. Relative luminance 0.555; OKLCH L 80.7% C 0.124 H 191.1°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#42D9D3
RGB	rgb(66, 217, 211)
HSL	hsl(178, 67%, 55%)
HSV	hsv(178, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 2.8%, 14.9%)
CIE-LAB	lab(79.32, -39.91, -8.50)
CIE-LCH	lch(79.32, 40.80, 192.03°)
OKLab	oklab(80.69% -0.1213 -0.0237)
OKLCH	oklch(80.69% 0.124 191.1)
XYZ	xyz(38.8121, 55.4826, 70.2791)
Luminance	0.5549 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9D3 #D94248

analogous

#42D987 #42D9D3 #4293D9

triadic

#42D9D3 #D342D9 #D9D342

tetradic

#42D9D3 #8742D9 #D94248 #93D942

square

#42D9D3 #8742D9 #D94248 #93D942

split-complementary

#42D9D3 #D94293 #D98742

monochromatic

#1B8681 #25B9B3 #42D9D3 #75E3DF #A8EDEB

Accessibility & contrast

On white

1.74

#42D9D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.10

#42D9D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9D3

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9D3	#FFFFFF	#000000	##000000
##42D9D3	1.00	1.74	12.10	12.10
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.10	21.00	1.00	1.00
##000000	12.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCCED3

Deuteranopia (green-blind)

#B6BED4

Tritanopia (blue-blind)

#00DFD7

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #42d9d3;
/* rgb */ color: rgb(66, 217, 211);
/* oklch */ color: oklch(80.7% 0.124 191.1);

Tailwind

colors: {
  custom: {
    50: '#8ce5e0',
    500: '#42d9d3',
    950: '#000000',
  },
}

SCSS

$custom: #42d9d3;
$custom-light: #8ce5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9d3",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 211
  },
  "hsl": {
    "h": 177.616,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80689,
    "c": 0.12363,
    "h": 191.1
  },
  "luminance": 0.55487
}

Semantic roles & 50–950 ramp

primary

#42D9D3

secondary

#8C3337

accent

#3E45E9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D9D3

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

Preview Lab → · Contrast checker → · Palette generator →