#428E80#428E80

#428E80 is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.4% C 0.079 H 179.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#428E80
RGB	rgb(66, 142, 128)
HSL	hsl(169, 37%, 41%)
HSV	hsv(169, 54%, 56%)
CMYK	cmyk(53.5%, 0%, 9.9%, 44.3%)
CIE-LAB	lab(54.09, -27.12, 0.30)
CIE-LCH	lch(54.09, 27.12, 179.37°)
OKLab	oklab(59.43% -0.0788 0.0004)
OKLCH	oklch(59.43% 0.079 179.7)
XYZ	xyz(15.8144, 22.0613, 23.8428)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E80 #8E4250

analogous

#428E5A #428E80 #42768E

triadic

#428E80 #80428E #8E8042

tetradic

#428E80 #5A428E #8E4250 #768E42

square

#428E80 #5A428E #8E4250 #768E42

split-complementary

#428E80 #8E4276 #8E5A42

monochromatic

#1B3A35 #2F645A #428E80 #5BB3A2 #84C6BA

Accessibility & contrast

On white

3.88

#428E80 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#428E80 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E80

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E80	#FFFFFF	#000000	##000000
##428E80	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89877F

Deuteranopia (green-blind)

#7D7E81

Tritanopia (blue-blind)

#18908A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #428e80;
/* rgb */ color: rgb(66, 142, 128);
/* oklch */ color: oklch(59.4% 0.079 179.7);

Tailwind

colors: {
  custom: {
    50: '#7dafa4',
    500: '#428e80',
    950: '#000000',
  },
}

SCSS

$custom: #428e80;
$custom-light: #7dafa4;
$custom-dark: #000000;

JSON

{
  "hex": "#428e80",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 128
  },
  "hsl": {
    "h": 168.947,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59434,
    "c": 0.07877,
    "h": 179.7
  },
  "luminance": 0.22063
}

Semantic roles & 50–950 ramp

primary

#428E80

secondary

#B17B85

accent

#5B70CD

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A100F

muted

#7C7F7F

Preview Lab

Preview with #428E80

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

Preview Lab → · Contrast checker → · Palette generator →