#428F2B#428F2B

#428F2B is a mid, vivid green. Relative luminance 0.210; OKLCH L 58.0% C 0.155 H 139.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#428F2B
RGB	rgb(66, 143, 43)
HSL	hsl(106, 54%, 36%)
HSV	hsv(106, 70%, 56%)
CMYK	cmyk(53.8%, 0%, 69.9%, 43.9%)
CIE-LAB	lab(52.92, -42.78, 44.13)
CIE-LCH	lch(52.92, 61.46, 134.11°)
OKLab	oklab(57.99% -0.1176 0.1009)
OKLCH	oklch(57.99% 0.155 139.4)
XYZ	xyz(12.5048, 20.9766, 5.6750)
Luminance	0.2098 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F2B #782B8F

analogous

#748F2B #428F2B #2B8F46

triadic

#428F2B #2B428F #8F2B42

tetradic

#428F2B #2B748F #782B8F #8F462B

square

#428F2B #2B748F #782B8F #8F462B

split-complementary

#428F2B #462B8F #8F2B74

monochromatic

#17310F #2C601D #428F2B #58BE39 #7DD064

Accessibility & contrast

On white

4.04

#428F2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#428F2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F2B

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F2B	#FFFFFF	#000000	##000000
##428F2B	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)

#93821D

Deuteranopia (green-blind)

#897C34

Tritanopia (blue-blind)

#3A8A7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f2b;
/* rgb */ color: rgb(66, 143, 43);
/* oklch */ color: oklch(58.0% 0.155 139.4);

Tailwind

colors: {
  custom: {
    50: '#7eb06a',
    500: '#428f2b',
    950: '#000000',
  },
}

SCSS

$custom: #428f2b;
$custom-light: #7eb06a;
$custom-dark: #000000;

JSON

{
  "hex": "#428f2b",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 43
  },
  "hsl": {
    "h": 106.2,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.57991,
    "c": 0.15498,
    "h": 139.4
  },
  "luminance": 0.20978
}

Semantic roles & 50–950 ramp

primary

#428F2B

secondary

#A25FB7

accent

#4BDDBB

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1107

muted

#7C807A

Preview Lab

Preview with #428F2B

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

Preview Lab → · Contrast checker → · Palette generator →