#428817#428817

#428817 is a mid, vivid yellow-green. Relative luminance 0.188; OKLCH L 55.9% C 0.158 H 136.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#428817
RGB	rgb(66, 136, 23)
HSL	hsl(97, 71%, 31%)
HSV	hsv(97, 83%, 53%)
CMYK	cmyk(51.5%, 0%, 83.1%, 46.7%)
CIE-LAB	lab(50.48, -41.40, 48.96)
CIE-LCH	lch(50.48, 64.12, 130.22°)
OKLab	oklab(55.94% -0.1152 0.1081)
OKLCH	oklch(55.94% 0.158 136.8)
XYZ	xyz(11.2052, 18.8276, 3.8541)
Luminance	0.1883 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428817 #5D1788

analogous

#7A8817 #428817 #178824

triadic

#428817 #174288 #881742

tetradic

#428817 #177A88 #5D1788 #882417

square

#428817 #177A88 #5D1788 #882417

split-complementary

#428817 #241788 #88177A

monochromatic

#0F1F05 #29540E #428817 #5BBC20 #79DE3B

Accessibility & contrast

On white

4.41

#428817 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#428817 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428817

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428817	#FFFFFF	#000000	##000000
##428817	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C00

Deuteranopia (green-blind)

#847625

Tritanopia (blue-blind)

#3E8374

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #428817;
/* rgb */ color: rgb(66, 136, 23);
/* oklch */ color: oklch(55.9% 0.158 136.8);

Tailwind

colors: {
  custom: {
    50: '#7eab5f',
    500: '#428817',
    950: '#000000',
  },
}

SCSS

$custom: #428817;
$custom-light: #7eab5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428817",
  "rgb": {
    "r": 66,
    "g": 136,
    "b": 23
  },
  "hsl": {
    "h": 97.168,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.55942,
    "c": 0.15797,
    "h": 136.8
  },
  "luminance": 0.18828
}

Semantic roles & 50–950 ramp

primary

#428817

secondary

#8C3FBC

accent

#3AEEA9

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428817

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

Preview Lab → · Contrast checker → · Palette generator →