#428718#428718

#428718 is a mid, vivid yellow-green. Relative luminance 0.186; OKLCH L 55.7% C 0.156 H 136.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#428718
RGB	rgb(66, 135, 24)
HSL	hsl(97, 70%, 31%)
HSV	hsv(97, 82%, 53%)
CMYK	cmyk(51.1%, 0%, 82.2%, 47.1%)
CIE-LAB	lab(50.16, -40.95, 48.36)
CIE-LCH	lch(50.16, 63.37, 130.26°)
OKLab	oklab(55.68% -0.1139 0.107)
OKLCH	oklch(55.68% 0.156 136.8)
XYZ	xyz(11.0753, 18.5514, 3.8611)
Luminance	0.1855 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428718 #5D1887

analogous

#798718 #428718 #188725

triadic

#428718 #184287 #871842

tetradic

#428718 #187987 #5D1887 #872518

square

#428718 #187987 #5D1887 #872518

split-complementary

#428718 #251887 #871879

monochromatic

#0F1F06 #29530F #428718 #5BBB21 #79DC3D

Accessibility & contrast

On white

4.46

#428718 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#428718 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428718

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428718	#FFFFFF	#000000	##000000
##428718	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B00

Deuteranopia (green-blind)

#837525

Tritanopia (blue-blind)

#3E8273

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #428718;
/* rgb */ color: rgb(66, 135, 24);
/* oklch */ color: oklch(55.7% 0.156 136.8);

Tailwind

colors: {
  custom: {
    50: '#7eaa5f',
    500: '#428718',
    950: '#000000',
  },
}

SCSS

$custom: #428718;
$custom-light: #7eaa5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428718",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 24
  },
  "hsl": {
    "h": 97.297,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.55675,
    "c": 0.15626,
    "h": 136.8
  },
  "luminance": 0.18552
}

Semantic roles & 50–950 ramp

primary

#428718

secondary

#8C40BB

accent

#3BEDA9

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428718

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

Preview Lab → · Contrast checker → · Palette generator →