#428D3D#428D3D

#428D3D is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.7% C 0.137 H 142.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#428D3D
RGB	rgb(66, 141, 61)
HSL	hsl(116, 40%, 40%)
HSV	hsv(116, 57%, 55%)
CMYK	cmyk(53.2%, 0%, 56.7%, 44.7%)
CIE-LAB	lab(52.45, -39.99, 35.25)
CIE-LCH	lch(52.45, 53.31, 138.61°)
OKLab	oklab(57.66% -0.109 0.0838)
OKLCH	oklch(57.66% 0.137 142.4)
XYZ	xyz(12.6133, 20.5439, 7.7147)
Luminance	0.2054 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D3D #883D8D

analogous

#6A8D3D #428D3D #3D8D60

triadic

#428D3D #3D428D #8D3D42

tetradic

#428D3D #3D6A8D #883D8D #8D603D

square

#428D3D #3D6A8D #883D8D #8D603D

split-complementary

#428D3D #603D8D #8D3D6A

monochromatic

#1A3818 #2E622B #428D3D #59B453 #82C77D

Accessibility & contrast

On white

4.11

#428D3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#428D3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D3D

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D3D	#FFFFFF	#000000	##000000
##428D3D	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908135

Deuteranopia (green-blind)

#867B43

Tritanopia (blue-blind)

#38897B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428d3d;
/* rgb */ color: rgb(66, 141, 61);
/* oklch */ color: oklch(57.7% 0.137 142.4);

Tailwind

colors: {
  custom: {
    50: '#7daf75',
    500: '#428d3d',
    950: '#000000',
  },
}

SCSS

$custom: #428d3d;
$custom-light: #7daf75;
$custom-dark: #000000;

JSON

{
  "hex": "#428d3d",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 61
  },
  "hsl": {
    "h": 116.25,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.57657,
    "c": 0.13748,
    "h": 142.4
  },
  "luminance": 0.20545
}

Semantic roles & 50–950 ramp

primary

#428D3D

secondary

#AD75B1

accent

#58CFC8

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428D3D

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

Preview Lab → · Contrast checker → · Palette generator →