#428221#428221

#428221 is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.4% C 0.145 H 137.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#428221
RGB	rgb(66, 130, 33)
HSL	hsl(100, 60%, 32%)
HSV	hsv(100, 75%, 51%)
CMYK	cmyk(49.2%, 0%, 74.6%, 49%)
CIE-LAB	lab(48.55, -38.30, 43.66)
CIE-LCH	lch(48.55, 58.08, 131.26°)
OKLab	oklab(54.37% -0.1062 0.0985)
OKLCH	oklch(54.37% 0.145 137.1)
XYZ	xyz(10.5036, 17.2326, 4.2113)
Luminance	0.1723 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428221 #612182

analogous

#738221 #428221 #218231

triadic

#428221 #214282 #822142

tetradic

#428221 #217382 #612182 #823121

square

#428221 #217382 #612182 #823121

split-complementary

#428221 #312182 #822173

monochromatic

#102008 #295115 #428221 #5BB32D #79D24C

Accessibility & contrast

On white

4.72

#428221 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#428221 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428221

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428221	#FFFFFF	#000000	##FFFFFF
##428221	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867710

Deuteranopia (green-blind)

#7E712B

Tritanopia (blue-blind)

#3E7D6F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #428221;
/* rgb */ color: rgb(66, 130, 33);
/* oklch */ color: oklch(54.4% 0.145 137.1);

Tailwind

colors: {
  custom: {
    50: '#7da763',
    500: '#428221',
    950: '#000000',
  },
}

SCSS

$custom: #428221;
$custom-light: #7da763;
$custom-dark: #000000;

JSON

{
  "hex": "#428221",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 33
  },
  "hsl": {
    "h": 99.588,
    "s": 59.509,
    "l": 31.961
  },
  "oklch": {
    "l": 0.54371,
    "c": 0.14486,
    "h": 137.1
  },
  "luminance": 0.17233
}

Semantic roles & 50–950 ramp

primary

#428221

secondary

#904AB4

accent

#45E3AD

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F06

muted

#7C7F7A

Preview Lab

Preview with #428221

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

Preview Lab → · Contrast checker → · Palette generator →