#428C3C#428C3C

#428C3C is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.4% C 0.137 H 142.2°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#428C3C
RGB	rgb(66, 140, 60)
HSL	hsl(116, 40%, 39%)
HSV	hsv(116, 57%, 55%)
CMYK	cmyk(52.9%, 0%, 57.1%, 45.1%)
CIE-LAB	lab(52.11, -39.70, 35.35)
CIE-LCH	lch(52.11, 53.16, 138.32°)
OKLab	oklab(57.37% -0.1082 0.084)
OKLCH	oklch(57.37% 0.137 142.2)
XYZ	xyz(12.4399, 20.2397, 7.5252)
Luminance	0.2024 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C3C #863C8C

analogous

#6A8C3C #428C3C #3C8C5E

triadic

#428C3C #3C428C #8C3C42

tetradic

#428C3C #3C6A8C #863C8C #8C5E3C

square

#428C3C #3C6A8C #863C8C #8C5E3C

split-complementary

#428C3C #5E3C8C #8C3C6A

monochromatic

#1A3617 #2E612A #428C3C #58B451 #81C77C

Accessibility & contrast

On white

4.16

#428C3C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#428C3C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C3C

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C3C	#FFFFFF	#000000	##000000
##428C3C	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8034

Deuteranopia (green-blind)

#857A42

Tritanopia (blue-blind)

#38887A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c3c;
/* rgb */ color: rgb(66, 140, 60);
/* oklch */ color: oklch(57.4% 0.137 142.2);

Tailwind

colors: {
  custom: {
    50: '#7dae74',
    500: '#428c3c',
    950: '#000000',
  },
}

SCSS

$custom: #428c3c;
$custom-light: #7dae74;
$custom-dark: #000000;

JSON

{
  "hex": "#428c3c",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 60
  },
  "hsl": {
    "h": 115.5,
    "s": 40,
    "l": 39.216
  },
  "oklch": {
    "l": 0.57374,
    "c": 0.13698,
    "h": 142.2
  },
  "luminance": 0.20241
}

Semantic roles & 50–950 ramp

primary

#428C3C

secondary

#AC73B0

accent

#58D0C7

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428C3C

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

Preview Lab → · Contrast checker → · Palette generator →