#42D4BC#42D4BC

#42D4BC is a light, vivid teal. Relative luminance 0.519; OKLCH L 78.8% C 0.127 H 179.5°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#42D4BC
RGB	rgb(66, 212, 188)
HSL	hsl(170, 63%, 55%)
HSV	hsv(170, 69%, 83%)
CMYK	cmyk(68.9%, 0%, 11.3%, 16.9%)
CIE-LAB	lab(77.20, -43.83, 0.70)
CIE-LCH	lch(77.20, 43.83, 179.08°)
OKLab	oklab(78.76% -0.1266 0.0012)
OKLCH	oklch(78.76% 0.127 179.5)
XYZ	xyz(34.8629, 51.8721, 55.7421)
Luminance	0.5188 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D4BC #D4425A

analogous

#42D473 #42D4BC #42A3D4

triadic

#42D4BC #BC42D4 #D4BC42

tetradic

#42D4BC #7342D4 #D4425A #A3D442

square

#42D4BC #7342D4 #D4425A #A3D442

split-complementary

#42D4BC #D442A3 #D47342

monochromatic

#1D7F6F #28B19A #42D4BC #74DFCE #A6EBDF

Accessibility & contrast

On white

1.85

#42D4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#42D4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4BC

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D4BC	#FFFFFF	#000000	##000000
##42D4BC	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBC7BB

Deuteranopia (green-blind)

#B7B8BE

Tritanopia (blue-blind)

#00D7CD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d4bc;
/* rgb */ color: rgb(66, 212, 188);
/* oklch */ color: oklch(78.8% 0.127 179.5);

Tailwind

colors: {
  custom: {
    50: '#89e2d0',
    500: '#42d4bc',
    950: '#000000',
  },
}

SCSS

$custom: #42d4bc;
$custom-light: #89e2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d4bc",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 188
  },
  "hsl": {
    "h": 170.137,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.7876,
    "c": 0.12658,
    "h": 179.5
  },
  "luminance": 0.51876
}

Semantic roles & 50–950 ramp

primary

#42D4BC

secondary

#863442

accent

#425DE6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #42D4BC

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

Preview Lab → · Contrast checker → · Palette generator →