#428D2B#428D2B

#428D2B is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.5% C 0.152 H 139.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#428D2B
RGB	rgb(66, 141, 43)
HSL	hsl(106, 53%, 36%)
HSV	hsv(106, 70%, 55%)
CMYK	cmyk(53.2%, 0%, 69.5%, 44.7%)
CIE-LAB	lab(52.27, -41.98, 43.43)
CIE-LCH	lch(52.27, 60.40, 134.03°)
OKLab	oklab(57.45% -0.1154 0.0994)
OKLCH	oklch(57.45% 0.152 139.3)
XYZ	xyz(12.2072, 20.3815, 5.5758)
Luminance	0.2038 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D2B #762B8D

analogous

#738D2B #428D2B #2B8D45

triadic

#428D2B #2B428D #8D2B42

tetradic

#428D2B #2B738D #762B8D #8D452B

square

#428D2B #2B738D #762B8D #8D452B

split-complementary

#428D2B #452B8D #8D2B73

monochromatic

#162F0E #2C5E1D #428D2B #58BC39 #7CCF63

Accessibility & contrast

On white

4.14

#428D2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#428D2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D2B

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D2B	#FFFFFF	#000000	##000000
##428D2B	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91811D

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#3B8879

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428d2b;
/* rgb */ color: rgb(66, 141, 43);
/* oklch */ color: oklch(57.5% 0.152 139.3);

Tailwind

colors: {
  custom: {
    50: '#7eaf6a',
    500: '#428d2b',
    950: '#000000',
  },
}

SCSS

$custom: #428d2b;
$custom-light: #7eaf6a;
$custom-dark: #000000;

JSON

{
  "hex": "#428d2b",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 43
  },
  "hsl": {
    "h": 105.918,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.5745,
    "c": 0.15237,
    "h": 139.3
  },
  "luminance": 0.20382
}

Semantic roles & 50–950 ramp

primary

#428D2B

secondary

#A15EB6

accent

#4BDDBB

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428D2B

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

Preview Lab → · Contrast checker → · Palette generator →