#428E27#428E27

#428E27 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.156 H 138.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#428E27
RGB	rgb(66, 142, 39)
HSL	hsl(104, 57%, 35%)
HSV	hsv(104, 73%, 56%)
CMYK	cmyk(53.5%, 0%, 72.5%, 44.3%)
CIE-LAB	lab(52.56, -42.73, 45.39)
CIE-LCH	lch(52.56, 62.33, 133.27°)
OKLab	oklab(57.68% -0.1177 0.103)
OKLCH	oklch(57.68% 0.156 138.8)
XYZ	xyz(12.2855, 20.6498, 5.2575)
Luminance	0.2065 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E27 #73278E

analogous

#758E27 #428E27 #278E3F

triadic

#428E27 #27428E #8E2742

tetradic

#428E27 #27758E #73278E #8E3F27

square

#428E27 #27758E #73278E #8E3F27

split-complementary

#428E27 #3F278E #8E2775

monochromatic

#152E0D #2C5E1A #428E27 #58BE34 #7CD25D

Accessibility & contrast

On white

4.09

#428E27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#428E27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E27

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E27	#FFFFFF	#000000	##000000
##428E27	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928116

Deuteranopia (green-blind)

#897B31

Tritanopia (blue-blind)

#3B897A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428e27;
/* rgb */ color: rgb(66, 142, 39);
/* oklch */ color: oklch(57.7% 0.156 138.8);

Tailwind

colors: {
  custom: {
    50: '#7eb068',
    500: '#428e27',
    950: '#000000',
  },
}

SCSS

$custom: #428e27;
$custom-light: #7eb068;
$custom-dark: #000000;

JSON

{
  "hex": "#428e27",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 39
  },
  "hsl": {
    "h": 104.272,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57685,
    "c": 0.15643,
    "h": 138.8
  },
  "luminance": 0.20651
}

Semantic roles & 50–950 ramp

primary

#428E27

secondary

#9F59B8

accent

#48E0B8

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428E27

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

Preview Lab → · Contrast checker → · Palette generator →