#428F2C#428F2C

#428F2C is a mid, vivid green. Relative luminance 0.210; OKLCH L 58.0% C 0.154 H 139.5°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#428F2C
RGB	rgb(66, 143, 44)
HSL	hsl(107, 53%, 37%)
HSV	hsv(107, 69%, 56%)
CMYK	cmyk(53.8%, 0%, 69.2%, 43.9%)
CIE-LAB	lab(52.93, -42.69, 43.71)
CIE-LCH	lch(52.93, 61.10, 134.32°)
OKLab	oklab(58% -0.1173 0.1002)
OKLCH	oklch(58% 0.154 139.5)
XYZ	xyz(12.5233, 20.9840, 5.7728)
Luminance	0.2099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F2C #792C8F

analogous

#748F2C #428F2C #2C8F48

triadic

#428F2C #2C428F #8F2C42

tetradic

#428F2C #2C748F #792C8F #8F482C

square

#428F2C #2C748F #792C8F #8F482C

split-complementary

#428F2C #482C8F #8F2C74

monochromatic

#17310F #2C601E #428F2C #58BE3A #7DD066

Accessibility & contrast

On white

4.04

#428F2C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#428F2C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F2C

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F2C	#FFFFFF	#000000	##000000
##428F2C	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93821E

Deuteranopia (green-blind)

#897C35

Tritanopia (blue-blind)

#3A8A7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f2c;
/* rgb */ color: rgb(66, 143, 44);
/* oklch */ color: oklch(58.0% 0.154 139.5);

Tailwind

colors: {
  custom: {
    50: '#7eb06a',
    500: '#428f2c',
    950: '#000000',
  },
}

SCSS

$custom: #428f2c;
$custom-light: #7eb06a;
$custom-dark: #000000;

JSON

{
  "hex": "#428f2c",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 44
  },
  "hsl": {
    "h": 106.667,
    "s": 52.941,
    "l": 36.667
  },
  "oklch": {
    "l": 0.58001,
    "c": 0.15426,
    "h": 139.5
  },
  "luminance": 0.20985
}

Semantic roles & 50–950 ramp

primary

#428F2C

secondary

#A361B6

accent

#4BDCBC

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1107

muted

#7C807A

Preview Lab

Preview with #428F2C

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

Preview Lab → · Contrast checker → · Palette generator →