#428558#428558

#428558 is a mid, moderate green. Relative luminance 0.186; OKLCH L 56.0% C 0.098 H 152.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#428558
RGB	rgb(66, 133, 88)
HSL	hsl(140, 34%, 39%)
HSV	hsv(140, 50%, 52%)
CMYK	cmyk(50.4%, 0%, 33.8%, 47.8%)
CIE-LAB	lab(50.26, -32.05, 17.89)
CIE-LCH	lch(50.26, 36.70, 150.83°)
OKLab	oklab(56% -0.0873 0.0451)
OKLCH	oklch(56% 0.098 152.7)
XYZ	xyz(12.3949, 18.6369, 12.1748)
Luminance	0.1864 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428558 #85426F

analogous

#4E8542 #428558 #42857A

triadic

#428558 #584285 #855842

tetradic

#428558 #424E85 #85426F #857A42

square

#428558 #424E85 #85426F #857A42

split-complementary

#428558 #7A4285 #85424E

monochromatic

#193322 #2E5C3D #428558 #58AC74 #81C096

Accessibility & contrast

On white

4.44

#428558 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#428558 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428558

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428558	#FFFFFF	#000000	##000000
##428558	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857C55

Deuteranopia (green-blind)

#7B755B

Tritanopia (blue-blind)

#338379

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #428558;
/* rgb */ color: rgb(66, 133, 88);
/* oklch */ color: oklch(56.0% 0.098 152.7);

Tailwind

colors: {
  custom: {
    50: '#7ba987',
    500: '#428558',
    950: '#000000',
  },
}

SCSS

$custom: #428558;
$custom-light: #7ba987;
$custom-dark: #000000;

JSON

{
  "hex": "#428558",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 88
  },
  "hsl": {
    "h": 139.701,
    "s": 33.668,
    "l": 39.02
  },
  "oklch": {
    "l": 0.56004,
    "c": 0.09825,
    "h": 152.7
  },
  "luminance": 0.18638
}

Semantic roles & 50–950 ramp

primary

#428558

secondary

#AB789A

accent

#5EA6CA

background

#F7FAF8

surface

#EEF4EF

border

#C9CECA

text

#0A100B

muted

#7C7F7C

Preview Lab

Preview with #428558

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

Preview Lab → · Contrast checker → · Palette generator →