#428111#428111

#428111 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.0% C 0.152 H 135.6°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#428111
RGB	rgb(66, 129, 17)
HSL	hsl(94, 77%, 29%)
HSV	hsv(94, 87%, 51%)
CMYK	cmyk(48.8%, 0%, 86.8%, 49.4%)
CIE-LAB	lab(48.13, -38.84, 48.50)
CIE-LCH	lch(48.13, 62.14, 128.69°)
OKLab	oklab(54% -0.1086 0.1062)
OKLCH	oklch(54% 0.152 135.6)
XYZ	xyz(10.1979, 16.8986, 3.2546)
Luminance	0.1690 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428111 #501181

analogous

#7A8111 #428111 #118118

triadic

#428111 #114281 #811142

tetradic

#428111 #117A81 #501181 #811811

square

#428111 #117A81 #501181 #811811

split-complementary

#428111 #181181 #81117A

monochromatic

#0E1B04 #264B0A #428111 #5EB718 #7BE32A

Accessibility & contrast

On white

4.79

#428111 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#428111 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428111

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428111	#FFFFFF	#000000	##FFFFFF
##428111	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867500

Deuteranopia (green-blind)

#7E7020

Tritanopia (blue-blind)

#407C6D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #428111;
/* rgb */ color: rgb(66, 129, 17);
/* oklch */ color: oklch(54.0% 0.152 135.6);

Tailwind

colors: {
  custom: {
    50: '#7da65c',
    500: '#428111',
    950: '#000000',
  },
}

SCSS

$custom: #428111;
$custom-light: #7da65c;
$custom-dark: #000000;

JSON

{
  "hex": "#428111",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 17
  },
  "hsl": {
    "h": 93.75,
    "s": 76.712,
    "l": 28.627
  },
  "oklch": {
    "l": 0.53998,
    "c": 0.15195,
    "h": 135.6
  },
  "luminance": 0.16899
}

Semantic roles & 50–950 ramp

primary

#428111

secondary

#7F37B7

accent

#35F3A0

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #428111

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

Preview Lab → · Contrast checker → · Palette generator →