#428717#428717

#428717 is a mid, vivid yellow-green. Relative luminance 0.185; OKLCH L 55.7% C 0.157 H 136.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#428717
RGB	rgb(66, 135, 23)
HSL	hsl(97, 71%, 31%)
HSV	hsv(97, 83%, 53%)
CMYK	cmyk(51.1%, 0%, 83%, 47.1%)
CIE-LAB	lab(50.15, -41.00, 48.66)
CIE-LCH	lch(50.15, 63.63, 130.12°)
OKLab	oklab(55.67% -0.1141 0.1075)
OKLCH	oklch(55.67% 0.157 136.7)
XYZ	xyz(11.0651, 18.5473, 3.8074)
Luminance	0.1855 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428717 #5C1787

analogous

#7A8717 #428717 #178724

triadic

#428717 #174287 #871742

tetradic

#428717 #177A87 #5C1787 #872417

square

#428717 #177A87 #5C1787 #872417

split-complementary

#428717 #241787 #87177A

monochromatic

#0F1E05 #28530E #428717 #5CBB20 #79DE3B

Accessibility & contrast

On white

4.46

#428717 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#428717 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428717

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428717	#FFFFFF	#000000	##000000
##428717	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)

#837524

Tritanopia (blue-blind)

#3E8273

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #428717;
/* rgb */ color: rgb(66, 135, 23);
/* oklch */ color: oklch(55.7% 0.157 136.7);

Tailwind

colors: {
  custom: {
    50: '#7eaa5f',
    500: '#428717',
    950: '#000000',
  },
}

SCSS

$custom: #428717;
$custom-light: #7eaa5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428717",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 23
  },
  "hsl": {
    "h": 96.964,
    "s": 70.886,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55669,
    "c": 0.15674,
    "h": 136.7
  },
  "luminance": 0.18548
}

Semantic roles & 50–950 ramp

primary

#428717

secondary

#8B3FBB

accent

#3AEEA9

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428717

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

Preview Lab → · Contrast checker → · Palette generator →