#428B2F#428B2F

#428B2F is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.147 H 139.7°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#428B2F
RGB	rgb(66, 139, 47)
HSL	hsl(108, 49%, 36%)
HSV	hsv(108, 66%, 55%)
CMYK	cmyk(52.5%, 0%, 66.2%, 45.5%)
CIE-LAB	lab(51.64, -40.78, 41.01)
CIE-LCH	lch(51.64, 57.84, 134.84°)
OKLab	oklab(56.95% -0.1119 0.0948)
OKLCH	oklch(56.95% 0.147 139.7)
XYZ	xyz(11.9920, 19.8278, 5.8840)
Luminance	0.1983 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B2F #782F8B

analogous

#708B2F #428B2F #2F8B4A

triadic

#428B2F #2F428B #8B2F42

tetradic

#428B2F #2F708B #782F8B #8B4A2F

square

#428B2F #2F708B #782F8B #8B4A2F

split-complementary

#428B2F #4A2F8B #8B2F70

monochromatic

#173010 #2C5D20 #428B2F #58B93E #7DCC68

Accessibility & contrast

On white

4.23

#428B2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#428B2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B2F

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B2F	#FFFFFF	#000000	##000000
##428B2F	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F24

Deuteranopia (green-blind)

#857937

Tritanopia (blue-blind)

#3B8678

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b2f;
/* rgb */ color: rgb(66, 139, 47);
/* oklch */ color: oklch(56.9% 0.147 139.7);

Tailwind

colors: {
  custom: {
    50: '#7dad6c',
    500: '#428b2f',
    950: '#000000',
  },
}

SCSS

$custom: #428b2f;
$custom-light: #7dad6c;
$custom-dark: #000000;

JSON

{
  "hex": "#428b2f",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 47
  },
  "hsl": {
    "h": 107.609,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.56947,
    "c": 0.1467,
    "h": 139.7
  },
  "luminance": 0.19829
}

Semantic roles & 50–950 ramp

primary

#428B2F

secondary

#A263B3

accent

#4FD9BC

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428B2F

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

Preview Lab → · Contrast checker → · Palette generator →