#428B2B#428B2B

#428B2B is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.150 H 139.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#428B2B
RGB	rgb(66, 139, 43)
HSL	hsl(106, 53%, 36%)
HSV	hsv(106, 69%, 55%)
CMYK	cmyk(52.5%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(51.61, -41.17, 42.73)
CIE-LCH	lch(51.61, 59.34, 133.94°)
OKLab	oklab(56.91% -0.1132 0.098)
OKLCH	oklch(56.91% 0.15 139.1)
XYZ	xyz(11.9150, 19.7970, 5.4784)
Luminance	0.1980 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B2B #742B8B

analogous

#728B2B #428B2B #2B8B44

triadic

#428B2B #2B428B #8B2B42

tetradic

#428B2B #2B728B #742B8B #8B442B

square

#428B2B #2B728B #742B8B #8B442B

split-complementary

#428B2B #442B8B #8B2B72

monochromatic

#162E0E #2C5C1D #428B2B #58BA39 #7CCE62

Accessibility & contrast

On white

4.23

#428B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#428B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B2B

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B2B	#FFFFFF	#000000	##000000
##428B2B	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F1E

Deuteranopia (green-blind)

#867934

Tritanopia (blue-blind)

#3B8677

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b2b;
/* rgb */ color: rgb(66, 139, 43);
/* oklch */ color: oklch(56.9% 0.150 139.1);

Tailwind

colors: {
  custom: {
    50: '#7ead69',
    500: '#428b2b',
    950: '#000000',
  },
}

SCSS

$custom: #428b2b;
$custom-light: #7ead69;
$custom-dark: #000000;

JSON

{
  "hex": "#428b2b",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 105.625,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.56907,
    "c": 0.14975,
    "h": 139.1
  },
  "luminance": 0.19798
}

Semantic roles & 50–950 ramp

primary

#428B2B

secondary

#A05DB5

accent

#4CDCBA

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428B2B

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

Preview Lab → · Contrast checker → · Palette generator →