#42B3BA#42B3BA

#42B3BA is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.6% C 0.100 H 201.0°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#42B3BA
RGB	rgb(66, 179, 186)
HSL	hsl(184, 48%, 49%)
HSV	hsv(184, 65%, 73%)
CMYK	cmyk(64.5%, 3.8%, 0%, 27.1%)
CIE-LAB	lab(67.23, -29.16, -12.97)
CIE-LCH	lch(67.23, 31.92, 203.97°)
OKLab	oklab(70.64% -0.0938 -0.0359)
OKLCH	oklch(70.64% 0.1 201)
XYZ	xyz(27.2260, 36.9406, 52.1403)
Luminance	0.3694 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B3BA #BA4942

analogous

#42BA85 #42B3BA #4277BA

triadic

#42B3BA #BA42B3 #B3BA42

tetradic

#42B3BA #8542BA #BA4942 #77BA42

square

#42B3BA #8542BA #BA4942 #77BA42

split-complementary

#42B3BA #BA4277 #BA8542

monochromatic

#225C60 #32888D #42B3BA #6EC6CB #9BD8DB

Accessibility & contrast

On white

2.50

#42B3BA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#42B3BA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B3BA

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B3BA	#FFFFFF	#000000	##000000
##42B3BA	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6ABBB

Deuteranopia (green-blind)

#949EBB

Tritanopia (blue-blind)

#00B9B5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42b3ba;
/* rgb */ color: rgb(66, 179, 186);
/* oklch */ color: oklch(70.6% 0.100 201.0);

Tailwind

colors: {
  custom: {
    50: '#85cace',
    500: '#42b3ba',
    950: '#000000',
  },
}

SCSS

$custom: #42b3ba;
$custom-light: #85cace;
$custom-dark: #000000;

JSON

{
  "hex": "#42b3ba",
  "rgb": {
    "r": 66,
    "g": 179,
    "b": 186
  },
  "hsl": {
    "h": 183.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70644,
    "c": 0.10042,
    "h": 201
  },
  "luminance": 0.36944
}

Semantic roles & 50–950 ramp

primary

#42B3BA

secondary

#C89390

accent

#5851D7

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #42B3BA

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

Preview Lab → · Contrast checker → · Palette generator →