#428C2B#428C2B

#428C2B is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.2% C 0.151 H 139.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#428C2B
RGB	rgb(66, 140, 43)
HSL	hsl(106, 53%, 36%)
HSV	hsv(106, 69%, 55%)
CMYK	cmyk(52.9%, 0%, 69.3%, 45.1%)
CIE-LAB	lab(51.94, -41.58, 43.08)
CIE-LCH	lch(51.94, 59.87, 133.98°)
OKLab	oklab(57.18% -0.1143 0.0987)
OKLCH	oklch(57.18% 0.151 139.2)
XYZ	xyz(12.0604, 20.0879, 5.5269)
Luminance	0.2009 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C2B #752B8C

analogous

#728C2B #428C2B #2B8C44

triadic

#428C2B #2B428C #8C2B42

tetradic

#428C2B #2B728C #752B8C #8C442B

square

#428C2B #2B728C #752B8C #8C442B

split-complementary

#428C2B #442B8C #8C2B72

monochromatic

#162E0E #2C5D1D #428C2B #58BB39 #7CCF62

Accessibility & contrast

On white

4.19

#428C2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#428C2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C2B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C2B	#FFFFFF	#000000	##000000
##428C2B	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90801D

Deuteranopia (green-blind)

#867934

Tritanopia (blue-blind)

#3B8778

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c2b;
/* rgb */ color: rgb(66, 140, 43);
/* oklch */ color: oklch(57.2% 0.151 139.2);

Tailwind

colors: {
  custom: {
    50: '#7eae6a',
    500: '#428c2b',
    950: '#000000',
  },
}

SCSS

$custom: #428c2b;
$custom-light: #7eae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#428c2b",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 43
  },
  "hsl": {
    "h": 105.773,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57178,
    "c": 0.15106,
    "h": 139.2
  },
  "luminance": 0.20089
}

Semantic roles & 50–950 ramp

primary

#428C2B

secondary

#A05EB5

accent

#4BDCBA

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428C2B

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

Preview Lab → · Contrast checker → · Palette generator →