#428B43#428B43

#428B43 is a mid, vivid green. Relative luminance 0.200; OKLCH L 57.2% C 0.129 H 143.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#428B43
RGB	rgb(66, 139, 67)
HSL	hsl(121, 36%, 40%)
HSV	hsv(121, 53%, 55%)
CMYK	cmyk(52.5%, 0%, 51.8%, 45.5%)
CIE-LAB	lab(51.87, -38.32, 31.48)
CIE-LCH	lch(51.87, 49.60, 140.60°)
OKLab	oklab(57.21% -0.1042 0.0759)
OKLCH	oklch(57.21% 0.129 143.9)
XYZ	xyz(12.4918, 20.0278, 8.5166)
Luminance	0.2003 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B43 #8B428A

analogous

#658B42 #428B43 #428B67

triadic

#428B43 #43428B #8B4342

tetradic

#428B43 #42658B #8B428A #8B6742

square

#428B43 #42658B #8B428A #8B6742

split-complementary

#428B43 #67428B #8B4265

monochromatic

#1B381B #2E622F #428B43 #5AB15B #83C484

Accessibility & contrast

On white

4.20

#428B43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#428B43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B43

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B43	#FFFFFF	#000000	##000000
##428B43	1.00	4.20	5.01	5.01
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E803D

Deuteranopia (green-blind)

#847948

Tritanopia (blue-blind)

#37887A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428b43;
/* rgb */ color: rgb(66, 139, 67);
/* oklch */ color: oklch(57.2% 0.129 143.9);

Tailwind

colors: {
  custom: {
    50: '#7cad79',
    500: '#428b43',
    950: '#000000',
  },
}

SCSS

$custom: #428b43;
$custom-light: #7cad79;
$custom-dark: #000000;

JSON

{
  "hex": "#428b43",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 67
  },
  "hsl": {
    "h": 120.822,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.57207,
    "c": 0.12891,
    "h": 143.9
  },
  "luminance": 0.20029
}

Semantic roles & 50–950 ramp

primary

#428B43

secondary

#AF7AAE

accent

#5CCACC

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1009

muted

#7C7F7B

Preview Lab

Preview with #428B43

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

Preview Lab → · Contrast checker → · Palette generator →