#428918#428918

#428918 is a mid, vivid yellow-green. Relative luminance 0.191; OKLCH L 56.2% C 0.159 H 137.0°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#428918
RGB	rgb(66, 137, 24)
HSL	hsl(98, 70%, 32%)
HSV	hsv(98, 82%, 54%)
CMYK	cmyk(51.8%, 0%, 82.5%, 46.3%)
CIE-LAB	lab(50.82, -41.75, 48.97)
CIE-LCH	lch(50.82, 64.36, 130.45°)
OKLab	oklab(56.22% -0.116 0.1083)
OKLCH	oklch(56.22% 0.159 137)
XYZ	xyz(11.3569, 19.1147, 3.9550)
Luminance	0.1912 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428918 #5F1889

analogous

#7B8918 #428918 #188927

triadic

#428918 #184289 #891842

tetradic

#428918 #187B89 #5F1889 #892718

square

#428918 #187B89 #5F1889 #892718

split-complementary

#428918 #271889 #89187B

monochromatic

#102106 #29550F #428918 #5BBD21 #79DD3E

Accessibility & contrast

On white

4.35

#428918 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#428918 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428918

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428918	#FFFFFF	#000000	##000000
##428918	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)

#857726

Tritanopia (blue-blind)

#3E8474

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #428918;
/* rgb */ color: rgb(66, 137, 24);
/* oklch */ color: oklch(56.2% 0.159 137.0);

Tailwind

colors: {
  custom: {
    50: '#7eac60',
    500: '#428918',
    950: '#000000',
  },
}

SCSS

$custom: #428918;
$custom-light: #7eac60;
$custom-dark: #000000;

JSON

{
  "hex": "#428918",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 24
  },
  "hsl": {
    "h": 97.699,
    "s": 70.186,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56221,
    "c": 0.15872,
    "h": 137
  },
  "luminance": 0.19116
}

Semantic roles & 50–950 ramp

primary

#428918

secondary

#8E40BD

accent

#3BEDAB

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428918

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

Preview Lab → · Contrast checker → · Palette generator →