#428E4E#428E4E

#428E4E is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.2% C 0.122 H 147.1°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#428E4E
RGB	rgb(66, 142, 78)
HSL	hsl(129, 37%, 41%)
HSV	hsv(129, 54%, 56%)
CMYK	cmyk(53.5%, 0%, 45.1%, 44.3%)
CIE-LAB	lab(53.01, -37.90, 27.06)
CIE-LCH	lch(53.01, 46.57, 144.47°)
OKLab	oklab(58.19% -0.1028 0.0665)
OKLCH	oklch(58.19% 0.122 147.1)
XYZ	xyz(13.2941, 21.0532, 10.5694)
Luminance	0.2105 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E4E #8E4282

analogous

#5C8E42 #428E4E #428E74

triadic

#428E4E #4E428E #8E4E42

tetradic

#428E4E #425C8E #8E4282 #8E7442

square

#428E4E #425C8E #8E4282 #8E7442

split-complementary

#428E4E #74428E #8E425C

monochromatic

#1B3A20 #2F6437 #428E4E #5BB368 #84C68F

Accessibility & contrast

On white

4.03

#428E4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#428E4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E4E

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E4E	#FFFFFF	#000000	##000000
##428E4E	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908349

Deuteranopia (green-blind)

#857C52

Tritanopia (blue-blind)

#348B7E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428e4e;
/* rgb */ color: rgb(66, 142, 78);
/* oklch */ color: oklch(58.2% 0.122 147.1);

Tailwind

colors: {
  custom: {
    50: '#7db080',
    500: '#428e4e',
    950: '#000000',
  },
}

SCSS

$custom: #428e4e;
$custom-light: #7db080;
$custom-dark: #000000;

JSON

{
  "hex": "#428e4e",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 78
  },
  "hsl": {
    "h": 129.474,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.58193,
    "c": 0.1224,
    "h": 147.1
  },
  "luminance": 0.21054
}

Semantic roles & 50–950 ramp

primary

#428E4E

secondary

#B17BA8

accent

#5BBBCD

background

#F7FAF7

surface

#EEF5EE

border

#C9CFC9

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428E4E

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

Preview Lab → · Contrast checker → · Palette generator →