#428F34#428F34

#428F34 is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.1% C 0.148 H 140.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#428F34
RGB	rgb(66, 143, 52)
HSL	hsl(111, 47%, 38%)
HSV	hsv(111, 64%, 56%)
CMYK	cmyk(53.8%, 0%, 63.6%, 43.9%)
CIE-LAB	lab(53.00, -41.89, 40.24)
CIE-LCH	lch(53.00, 58.09, 136.15°)
OKLab	oklab(58.08% -0.1146 0.0938)
OKLCH	oklch(58.08% 0.148 140.7)
XYZ	xyz(12.6885, 21.0501, 6.6426)
Luminance	0.2105 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F34 #81348F

analogous

#6F8F34 #428F34 #348F53

triadic

#428F34 #34428F #8F3442

tetradic

#428F34 #346F8F #81348F #8F5334

square

#428F34 #346F8F #81348F #8F5334

split-complementary

#428F34 #53348F #8F346F

monochromatic

#193513 #2D6224 #428F34 #57BB45 #80CC72

Accessibility & contrast

On white

4.03

#428F34 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#428F34 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F34

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F34	#FFFFFF	#000000	##000000
##428F34	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)

#93832A

Deuteranopia (green-blind)

#897C3B

Tritanopia (blue-blind)

#398B7C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428f34;
/* rgb */ color: rgb(66, 143, 52);
/* oklch */ color: oklch(58.1% 0.148 140.7);

Tailwind

colors: {
  custom: {
    50: '#7eb06f',
    500: '#428f34',
    950: '#000000',
  },
}

SCSS

$custom: #428f34;
$custom-light: #7eb06f;
$custom-dark: #000000;

JSON

{
  "hex": "#428f34",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 52
  },
  "hsl": {
    "h": 110.769,
    "s": 46.667,
    "l": 38.235
  },
  "oklch": {
    "l": 0.58083,
    "c": 0.14808,
    "h": 140.7
  },
  "luminance": 0.21051
}

Semantic roles & 50–950 ramp

primary

#428F34

secondary

#A96BB4

accent

#51D6C2

background

#F8FAF6

surface

#EFF5EC

border

#CACFC7

text

#0A1107

muted

#7C807A

Preview Lab

Preview with #428F34

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

Preview Lab → · Contrast checker → · Palette generator →