#428B3D#428B3D

#428B3D is a mid, vivid green. Relative luminance 0.200; OKLCH L 57.1% C 0.135 H 142.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#428B3D
RGB	rgb(66, 139, 61)
HSL	hsl(116, 39%, 39%)
HSV	hsv(116, 56%, 55%)
CMYK	cmyk(52.5%, 0%, 56.1%, 45.5%)
CIE-LAB	lab(51.79, -39.15, 34.47)
CIE-LCH	lch(51.79, 52.17, 138.64°)
OKLab	oklab(57.12% -0.1067 0.0821)
OKLCH	oklch(57.12% 0.135 142.4)
XYZ	xyz(12.3211, 19.9595, 7.6173)
Luminance	0.1996 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B3D #863D8B

analogous

#698B3D #428B3D #3D8B5F

triadic

#428B3D #3D428B #8B3D42

tetradic

#428B3D #3D698B #863D8B #8B5F3D

square

#428B3D #3D698B #863D8B #8B5F3D

split-complementary

#428B3D #5F3D8B #8B3D69

monochromatic

#1A3618 #2E602A #428B3D #58B352 #81C67D

Accessibility & contrast

On white

4.21

#428B3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#428B3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B3D

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B3D	#FFFFFF	#000000	##000000
##428B3D	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7F36

Deuteranopia (green-blind)

#847943

Tritanopia (blue-blind)

#39877A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b3d;
/* rgb */ color: rgb(66, 139, 61);
/* oklch */ color: oklch(57.1% 0.135 142.4);

Tailwind

colors: {
  custom: {
    50: '#7dad75',
    500: '#428b3d',
    950: '#000000',
  },
}

SCSS

$custom: #428b3d;
$custom-light: #7dad75;
$custom-dark: #000000;

JSON

{
  "hex": "#428b3d",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 61
  },
  "hsl": {
    "h": 116.154,
    "s": 39,
    "l": 39.216
  },
  "oklch": {
    "l": 0.57118,
    "c": 0.13463,
    "h": 142.4
  },
  "luminance": 0.1996
}

Semantic roles & 50–950 ramp

primary

#428B3D

secondary

#AC74B0

accent

#59CFC7

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428B3D

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

Preview Lab → · Contrast checker → · Palette generator →