#428E73#428E73

#428E73 is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.0% C 0.087 H 167.6°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#428E73
RGB	rgb(66, 142, 115)
HSL	hsl(159, 37%, 41%)
HSV	hsv(159, 54%, 56%)
CMYK	cmyk(53.5%, 0%, 19%, 44.3%)
CIE-LAB	lab(53.75, -30.37, 7.29)
CIE-LCH	lch(53.75, 31.23, 166.50°)
OKLab	oklab(59.04% -0.085 0.0187)
OKLCH	oklch(59.04% 0.087 167.6)
XYZ	xyz(15.0129, 21.7407, 19.6216)
Luminance	0.2174 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E73 #8E425D

analogous

#428E4D #428E73 #42838E

triadic

#428E73 #73428E #8E7342

tetradic

#428E73 #4D428E #8E425D #838E42

square

#428E73 #4D428E #8E425D #838E42

split-complementary

#428E73 #8E4283 #8E4D42

monochromatic

#1B3A2F #2F6451 #428E73 #5BB393 #84C6AF

Accessibility & contrast

On white

3.93

#428E73 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#428E73 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E73

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E73	#FFFFFF	#000000	##000000
##428E73	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8572

Deuteranopia (green-blind)

#7F7D75

Tritanopia (blue-blind)

#238F86

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #428e73;
/* rgb */ color: rgb(66, 142, 115);
/* oklch */ color: oklch(59.0% 0.087 167.6);

Tailwind

colors: {
  custom: {
    50: '#7caf9b',
    500: '#428e73',
    950: '#000000',
  },
}

SCSS

$custom: #428e73;
$custom-light: #7caf9b;
$custom-dark: #000000;

JSON

{
  "hex": "#428e73",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 115
  },
  "hsl": {
    "h": 158.684,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59044,
    "c": 0.08704,
    "h": 167.6
  },
  "luminance": 0.21742
}

Semantic roles & 50–950 ramp

primary

#428E73

secondary

#B17B8E

accent

#5B84CD

background

#F7FAF9

surface

#EEF4F2

border

#C9CECC

text

#0A100E

muted

#7C7F7E

Preview Lab

Preview with #428E73

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

Preview Lab → · Contrast checker → · Palette generator →