#42C4B4#42C4B4

#42C4B4 is a light, moderate teal. Relative luminance 0.439; OKLCH L 74.6% C 0.114 H 183.5°. Best body text is #000000 at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#42C4B4
RGB	rgb(66, 196, 180)
HSL	hsl(173, 52%, 51%)
HSV	hsv(173, 66%, 77%)
CMYK	cmyk(66.3%, 0%, 8.2%, 23.1%)
CIE-LAB	lab(72.18, -38.83, -2.32)
CIE-LCH	lch(72.18, 38.90, 183.42°)
OKLab	oklab(74.6% -0.114 -0.0069)
OKLCH	oklch(74.6% 0.114 183.5)
XYZ	xyz(30.2210, 43.9300, 50.0578)
Luminance	0.4393 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4B4 #C44252

analogous

#42C473 #42C4B4 #4293C4

triadic

#42C4B4 #B442C4 #C4B442

tetradic

#42C4B4 #7342C4 #C44252 #93C442

square

#42C4B4 #7342C4 #C44252 #93C442

split-complementary

#42C4B4 #C44293 #C47342

monochromatic

#216A61 #30998C #42C4B4 #71D3C7 #9FE1D9

Accessibility & contrast

On white

2.15

#42C4B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.79

#42C4B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4B4

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4B4	#FFFFFF	#000000	##000000
##42C4B4	1.00	2.15	9.79	9.79
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.79	21.00	1.00	1.00
##000000	9.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBB9B3

Deuteranopia (green-blind)

#A8ABB6

Tritanopia (blue-blind)

#00C8BF

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42c4b4;
/* rgb */ color: rgb(66, 196, 180);
/* oklch */ color: oklch(74.6% 0.114 183.5);

Tailwind

colors: {
  custom: {
    50: '#87d6ca',
    500: '#42c4b4',
    950: '#000000',
  },
}

SCSS

$custom: #42c4b4;
$custom-light: #87d6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4b4",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 180
  },
  "hsl": {
    "h": 172.615,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74599,
    "c": 0.11421,
    "h": 183.5
  },
  "luminance": 0.43933
}

Semantic roles & 50–950 ramp

primary

#42C4B4

secondary

#CE949B

accent

#4C5EDC

background

#F8FDFC

surface

#F0FAF8

border

#CBD3D1

text

#0D1413

muted

#7D8382

Preview Lab

Preview with #42C4B4

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

Preview Lab → · Contrast checker → · Palette generator →