#42B2BB#42B2BB

#42B2BB is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.4% C 0.100 H 202.7°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#42B2BB
RGB	rgb(66, 178, 187)
HSL	hsl(184, 48%, 50%)
HSV	hsv(184, 65%, 73%)
CMYK	cmyk(64.7%, 4.8%, 0%, 26.7%)
CIE-LAB	lab(66.96, -28.38, -13.92)
CIE-LCH	lch(66.96, 31.61, 206.13°)
OKLab	oklab(70.44% -0.0923 -0.0386)
OKLCH	oklch(70.44% 0.1 202.7)
XYZ	xyz(27.1329, 36.5839, 52.6355)
Luminance	0.3659 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B2BB #BB4B42

analogous

#42BB88 #42B2BB #4276BB

triadic

#42B2BB #BB42B2 #B2BB42

tetradic

#42B2BB #8842BB #BB4B42 #76BB42

square

#42B2BB #8842BB #BB4B42 #76BB42

split-complementary

#42B2BB #BB4276 #BB8842

monochromatic

#225C61 #32878E #42B2BB #6EC5CC #9CD7DC

Accessibility & contrast

On white

2.52

#42B2BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#42B2BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B2BB

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B2BB	#FFFFFF	#000000	##000000
##42B2BB	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5ABBC

Deuteranopia (green-blind)

#939DBC

Tritanopia (blue-blind)

#00B9B4

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b2bb;
/* rgb */ color: rgb(66, 178, 187);
/* oklch */ color: oklch(70.4% 0.100 202.7);

Tailwind

colors: {
  custom: {
    50: '#85c9cf',
    500: '#42b2bb',
    950: '#000000',
  },
}

SCSS

$custom: #42b2bb;
$custom-light: #85c9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42b2bb",
  "rgb": {
    "r": 66,
    "g": 178,
    "b": 187
  },
  "hsl": {
    "h": 184.463,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.70438,
    "c": 0.10004,
    "h": 202.7
  },
  "luminance": 0.36587
}

Semantic roles & 50–950 ramp

primary

#42B2BB

secondary

#C89591

accent

#5A50D7

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #42B2BB

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

Preview Lab → · Contrast checker → · Palette generator →