#42A8A5#42A8A5

#42A8A5 is a light, moderate teal. Relative luminance 0.319; OKLCH L 67.2% C 0.093 H 192.4°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#42A8A5
RGB	rgb(66, 168, 165)
HSL	hsl(178, 44%, 46%)
HSV	hsv(178, 61%, 66%)
CMYK	cmyk(60.7%, 0%, 1.8%, 34.1%)
CIE-LAB	lab(63.24, -29.81, -7.24)
CIE-LCH	lch(63.24, 30.68, 193.66°)
OKLab	oklab(67.2% -0.0912 -0.0201)
OKLCH	oklch(67.2% 0.093 192.4)
XYZ	xyz(23.0379, 31.8777, 40.5289)
Luminance	0.3188 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A8A5 #A84245

analogous

#42A872 #42A8A5 #4278A8

triadic

#42A8A5 #A542A8 #A8A542

tetradic

#42A8A5 #7242A8 #A84245 #78A842

square

#42A8A5 #7242A8 #A84245 #78A842

split-complementary

#42A8A5 #A84278 #A87242

monochromatic

#1F504F #317C7A #42A8A5 #65C2C0 #91D4D2

Accessibility & contrast

On white

2.85

#42A8A5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#42A8A5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A8A5

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A8A5	#FFFFFF	#000000	##000000
##42A8A5	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EA0A5

Deuteranopia (green-blind)

#8E94A6

Tritanopia (blue-blind)

#00ADA7

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42a8a5;
/* rgb */ color: rgb(66, 168, 165);
/* oklch */ color: oklch(67.2% 0.093 192.4);

Tailwind

colors: {
  custom: {
    50: '#82c2bf',
    500: '#42a8a5',
    950: '#000000',
  },
}

SCSS

$custom: #42a8a5;
$custom-light: #82c2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#42a8a5",
  "rgb": {
    "r": 66,
    "g": 168,
    "b": 165
  },
  "hsl": {
    "h": 178.235,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.672,
    "c": 0.09344,
    "h": 192.4
  },
  "luminance": 0.3188
}

Semantic roles & 50–950 ramp

primary

#42A8A5

secondary

#BF8788

accent

#5458D3

background

#F8FBFB

surface

#F0F7F7

border

#CBD0D0

text

#0C1212

muted

#7D8181

Preview Lab

Preview with #42A8A5

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

Preview Lab → · Contrast checker → · Palette generator →