#428917#428917

#428917 is a mid, vivid yellow-green. Relative luminance 0.191; OKLCH L 56.2% C 0.159 H 136.9°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#428917
RGB	rgb(66, 137, 23)
HSL	hsl(97, 71%, 31%)
HSV	hsv(97, 83%, 54%)
CMYK	cmyk(51.8%, 0%, 83.2%, 46.3%)
CIE-LAB	lab(50.82, -41.81, 49.27)
CIE-LCH	lch(50.82, 64.61, 130.32°)
OKLab	oklab(56.22% -0.1162 0.1088)
OKLCH	oklch(56.22% 0.159 136.9)
XYZ	xyz(11.3467, 19.1106, 3.9013)
Luminance	0.1911 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428917 #5E1789

analogous

#7B8917 #428917 #178925

triadic

#428917 #174289 #891742

tetradic

#428917 #177B89 #5E1789 #892517

square

#428917 #177B89 #5E1789 #892517

split-complementary

#428917 #251789 #89177B

monochromatic

#102005 #29550E #428917 #5BBD20 #79DE3C

Accessibility & contrast

On white

4.35

#428917 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#428917 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428917

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428917	#FFFFFF	#000000	##000000
##428917	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#857725

Tritanopia (blue-blind)

#3E8474

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #428917;
/* rgb */ color: rgb(66, 137, 23);
/* oklch */ color: oklch(56.2% 0.159 136.9);

Tailwind

colors: {
  custom: {
    50: '#7eac5f',
    500: '#428917',
    950: '#000000',
  },
}

SCSS

$custom: #428917;
$custom-light: #7eac5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428917",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 23
  },
  "hsl": {
    "h": 97.368,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56215,
    "c": 0.15919,
    "h": 136.9
  },
  "luminance": 0.19111
}

Semantic roles & 50–950 ramp

primary

#428917

secondary

#8D3FBD

accent

#3AEEAA

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428917

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

Preview Lab → · Contrast checker → · Palette generator →