#42D1BC#42D1BC

#42D1BC is a light, vivid teal. Relative luminance 0.504; OKLCH L 78.0% C 0.124 H 181.1°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#42D1BC
RGB	rgb(66, 209, 188)
HSL	hsl(171, 61%, 54%)
HSV	hsv(171, 68%, 82%)
CMYK	cmyk(68.4%, 0%, 10%, 18%)
CIE-LAB	lab(76.31, -42.52, -0.61)
CIE-LCH	lch(76.31, 42.52, 180.82°)
OKLab	oklab(78.03% -0.1236 -0.0023)
OKLCH	oklch(78.03% 0.124 181.1)
XYZ	xyz(34.1200, 50.3861, 55.4945)
Luminance	0.5039 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D1BC #D14257

analogous

#42D175 #42D1BC #429FD1

triadic

#42D1BC #BC42D1 #D1BC42

tetradic

#42D1BC #7542D1 #D14257 #9FD142

square

#42D1BC #7542D1 #D14257 #9FD142

split-complementary

#42D1BC #D1429F #D17542

monochromatic

#1E7B6D #2AAC99 #42D1BC #73DDCD #A4E9DF

Accessibility & contrast

On white

1.90

#42D1BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#42D1BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1BC

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D1BC	#FFFFFF	#000000	##000000
##42D1BC	1.00	1.90	11.08	11.08
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C5BB

Deuteranopia (green-blind)

#B4B6BE

Tritanopia (blue-blind)

#00D5CA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d1bc;
/* rgb */ color: rgb(66, 209, 188);
/* oklch */ color: oklch(78.0% 0.124 181.1);

Tailwind

colors: {
  custom: {
    50: '#89e0d0',
    500: '#42d1bc',
    950: '#000000',
  },
}

SCSS

$custom: #42d1bc;
$custom-light: #89e0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d1bc",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 188
  },
  "hsl": {
    "h": 171.189,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78028,
    "c": 0.12359,
    "h": 181.1
  },
  "luminance": 0.5039
}

Semantic roles & 50–950 ramp

primary

#42D1BC

secondary

#833540

accent

#445BE4

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #42D1BC

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

Preview Lab → · Contrast checker → · Palette generator →