#428D1D#428D1D

#428D1D is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.3% C 0.161 H 137.7°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#428D1D
RGB	rgb(66, 141, 29)
HSL	hsl(100, 66%, 33%)
HSV	hsv(100, 79%, 55%)
CMYK	cmyk(53.2%, 0%, 79.4%, 44.7%)
CIE-LAB	lab(52.17, -43.05, 48.66)
CIE-LCH	lch(52.17, 64.97, 131.50°)
OKLab	oklab(57.34% -0.1192 0.1084)
OKLCH	oklch(57.34% 0.161 137.7)
XYZ	xyz(11.9930, 20.2958, 4.4477)
Luminance	0.2030 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D1D #681D8D

analogous

#7A8D1D #428D1D #1D8D30

triadic

#428D1D #1D428D #8D1D42

tetradic

#428D1D #1D7A8D #681D8D #8D301D

square

#428D1D #1D7A8D #681D8D #8D301D

split-complementary

#428D1D #301D8D #8D1D7A

monochromatic

#122708 #2A5A13 #428D1D #5AC027 #7ADA4B

Accessibility & contrast

On white

4.15

#428D1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#428D1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D1D

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D1D	#FFFFFF	#000000	##000000
##428D1D	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#887A2A

Tritanopia (blue-blind)

#3C8878

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428d1d;
/* rgb */ color: rgb(66, 141, 29);
/* oklch */ color: oklch(57.3% 0.161 137.7);

Tailwind

colors: {
  custom: {
    50: '#7faf63',
    500: '#428d1d',
    950: '#000000',
  },
}

SCSS

$custom: #428d1d;
$custom-light: #7faf63;
$custom-dark: #000000;

JSON

{
  "hex": "#428d1d",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 29
  },
  "hsl": {
    "h": 100.179,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.5734,
    "c": 0.16114,
    "h": 137.7
  },
  "luminance": 0.20297
}

Semantic roles & 50–950 ramp

primary

#428D1D

secondary

#964ABC

accent

#3FE9B1

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428D1D

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

Preview Lab → · Contrast checker → · Palette generator →