#42C3BD#42C3BD

#42C3BD is a light, moderate teal. Relative luminance 0.439; OKLCH L 74.6% C 0.111 H 190.6°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#42C3BD
RGB	rgb(66, 195, 189)
HSL	hsl(177, 52%, 51%)
HSV	hsv(177, 66%, 76%)
CMYK	cmyk(66.2%, 0%, 3.1%, 23.5%)
CIE-LAB	lab(72.13, -35.93, -7.30)
CIE-LCH	lch(72.13, 36.66, 191.48°)
OKLab	oklab(74.64% -0.109 -0.0204)
OKLCH	oklch(74.64% 0.111 190.6)
XYZ	xyz(30.9430, 43.8591, 54.9691)
Luminance	0.4386 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C3BD #C34248

analogous

#42C37C #42C3BD #4288C3

triadic

#42C3BD #BD42C3 #C3BD42

tetradic

#42C3BD #7C42C3 #C34248 #88C342

square

#42C3BD #7C42C3 #C34248 #88C342

split-complementary

#42C3BD #C34288 #C37C42

monochromatic

#216966 #309893 #42C3BD #70D2CD #9FE0DD

Accessibility & contrast

On white

2.15

#42C3BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#42C3BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3BD

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C3BD	#FFFFFF	#000000	##000000
##42C3BD	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8B9BD

Deuteranopia (green-blind)

#A4ABBE

Tritanopia (blue-blind)

#00C8C1

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42c3bd;
/* rgb */ color: rgb(66, 195, 189);
/* oklch */ color: oklch(74.6% 0.111 190.6);

Tailwind

colors: {
  custom: {
    50: '#87d5d0',
    500: '#42c3bd',
    950: '#000000',
  },
}

SCSS

$custom: #42c3bd;
$custom-light: #87d5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c3bd",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 189
  },
  "hsl": {
    "h": 177.209,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74644,
    "c": 0.11085,
    "h": 190.6
  },
  "luminance": 0.43863
}

Semantic roles & 50–950 ramp

primary

#42C3BD

secondary

#CD9497

accent

#4D53DB

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #42C3BD

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

Preview Lab → · Contrast checker → · Palette generator →