#42D9BC#42D9BC

#42D9BC is a light, vivid teal. Relative luminance 0.544; OKLCH L 80.0% C 0.132 H 177.0°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#42D9BC
RGB	rgb(66, 217, 188)
HSL	hsl(168, 67%, 55%)
HSV	hsv(168, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 13.4%, 14.9%)
CIE-LAB	lab(78.70, -45.99, 2.88)
CIE-LCH	lch(78.70, 46.08, 176.42°)
OKLab	oklab(79.98% -0.1315 0.0069)
OKLCH	oklch(79.98% 0.132 177)
XYZ	xyz(36.1322, 54.4106, 56.1652)
Luminance	0.5442 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9BC #D9425F

analogous

#42D970 #42D9BC #42AAD9

triadic

#42D9BC #BC42D9 #D9BC42

tetradic

#42D9BC #7042D9 #D9425F #AAD942

square

#42D9BC #7042D9 #D9425F #AAD942

split-complementary

#42D9BC #D942AA #D97042

monochromatic

#1B8671 #25B99C #42D9BC #75E3CE #A8EDE0

Accessibility & contrast

On white

1.77

#42D9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#42D9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9BC

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9BC	#FFFFFF	#000000	##000000
##42D9BC	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBB

Deuteranopia (green-blind)

#BCBCBE

Tritanopia (blue-blind)

#00DCD0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #42d9bc;
/* rgb */ color: rgb(66, 217, 188);
/* oklch */ color: oklch(80.0% 0.132 177.0);

Tailwind

colors: {
  custom: {
    50: '#8ae5d0',
    500: '#42d9bc',
    950: '#000000',
  },
}

SCSS

$custom: #42d9bc;
$custom-light: #8ae5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9bc",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 188
  },
  "hsl": {
    "h": 168.477,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79981,
    "c": 0.13172,
    "h": 177
  },
  "luminance": 0.54415
}

Semantic roles & 50–950 ramp

primary

#42D9BC

secondary

#8C3344

accent

#3E5FE9

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1613

muted

#7F8483

Preview Lab

Preview with #42D9BC

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

Preview Lab → · Contrast checker → · Palette generator →