#428D27#428D27

#428D27 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.155 H 138.7°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#428D27
RGB	rgb(66, 141, 39)
HSL	hsl(104, 57%, 35%)
HSV	hsv(104, 72%, 55%)
CMYK	cmyk(53.2%, 0%, 72.3%, 44.7%)
CIE-LAB	lab(52.23, -42.33, 45.05)
CIE-LCH	lch(52.23, 61.81, 133.22°)
OKLab	oklab(57.41% -0.1166 0.1023)
OKLCH	oklch(57.41% 0.155 138.7)
XYZ	xyz(12.1374, 20.3536, 5.2081)
Luminance	0.2035 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D27 #72278D

analogous

#758D27 #428D27 #278D3F

triadic

#428D27 #27428D #8D2742

tetradic

#428D27 #27758D #72278D #8D3F27

square

#428D27 #27758D #72278D #8D3F27

split-complementary

#428D27 #3F278D #8D2775

monochromatic

#152D0C #2C5D1A #428D27 #58BD34 #7CD25C

Accessibility & contrast

On white

4.14

#428D27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#428D27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D27

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D27	#FFFFFF	#000000	##000000
##428D27	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918017

Deuteranopia (green-blind)

#887A31

Tritanopia (blue-blind)

#3B8879

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428d27;
/* rgb */ color: rgb(66, 141, 39);
/* oklch */ color: oklch(57.4% 0.155 138.7);

Tailwind

colors: {
  custom: {
    50: '#7eaf67',
    500: '#428d27',
    950: '#000000',
  },
}

SCSS

$custom: #428d27;
$custom-light: #7eaf67;
$custom-dark: #000000;

JSON

{
  "hex": "#428d27",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 39
  },
  "hsl": {
    "h": 104.118,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57414,
    "c": 0.15515,
    "h": 138.7
  },
  "luminance": 0.20354
}

Semantic roles & 50–950 ramp

primary

#428D27

secondary

#9E59B7

accent

#48E0B8

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428D27

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

Preview Lab → · Contrast checker → · Palette generator →