#428E1D#428E1D

#428E1D is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.6% C 0.162 H 137.8°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#428E1D
RGB	rgb(66, 142, 29)
HSL	hsl(100, 66%, 34%)
HSV	hsv(100, 80%, 56%)
CMYK	cmyk(53.5%, 0%, 79.6%, 44.3%)
CIE-LAB	lab(52.50, -43.45, 48.97)
CIE-LCH	lch(52.50, 65.47, 131.58°)
OKLab	oklab(57.61% -0.1203 0.109)
OKLCH	oklch(57.61% 0.162 137.8)
XYZ	xyz(12.1411, 20.5920, 4.4970)
Luminance	0.2059 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E1D #691D8E

analogous

#7A8E1D #428E1D #1D8E30

triadic

#428E1D #1D428E #8E1D42

tetradic

#428E1D #1D7A8E #691D8E #8E301D

square

#428E1D #1D7A8E #691D8E #8E301D

split-complementary

#428E1D #301D8E #8E1D7A

monochromatic

#132808 #2A5B13 #428E1D #5AC127 #7ADA4B

Accessibility & contrast

On white

4.10

#428E1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#428E1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E1D

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E1D	#FFFFFF	#000000	##000000
##428E1D	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#897B2A

Tritanopia (blue-blind)

#3C8979

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428e1d;
/* rgb */ color: rgb(66, 142, 29);
/* oklch */ color: oklch(57.6% 0.162 137.8);

Tailwind

colors: {
  custom: {
    50: '#7fb063',
    500: '#428e1d',
    950: '#000000',
  },
}

SCSS

$custom: #428e1d;
$custom-light: #7fb063;
$custom-dark: #000000;

JSON

{
  "hex": "#428e1d",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 29
  },
  "hsl": {
    "h": 100.354,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57612,
    "c": 0.16237,
    "h": 137.8
  },
  "luminance": 0.20593
}

Semantic roles & 50–950 ramp

primary

#428E1D

secondary

#974ABD

accent

#3FE9B1

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428E1D

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

Preview Lab → · Contrast checker → · Palette generator →