#428122#428122

#428122 is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.1% C 0.143 H 137.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#428122
RGB	rgb(66, 129, 34)
HSL	hsl(100, 58%, 32%)
HSV	hsv(100, 74%, 51%)
CMYK	cmyk(48.8%, 0%, 73.6%, 49.4%)
CIE-LAB	lab(48.23, -37.80, 42.94)
CIE-LCH	lch(48.23, 57.21, 131.36°)
OKLab	oklab(54.11% -0.1048 0.0972)
OKLCH	oklch(54.11% 0.143 137.2)
XYZ	xyz(10.3854, 16.9736, 4.2420)
Luminance	0.1697 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428122 #612281

analogous

#728122 #428122 #228131

triadic

#428122 #224281 #812242

tetradic

#428122 #227281 #612281 #813122

square

#428122 #227281 #612281 #813122

split-complementary

#428122 #312281 #812272

monochromatic

#102008 #295115 #428122 #5BB12F #79D04D

Accessibility & contrast

On white

4.78

#428122 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#428122 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428122

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428122	#FFFFFF	#000000	##FFFFFF
##428122	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857612

Deuteranopia (green-blind)

#7D712B

Tritanopia (blue-blind)

#3E7C6E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #428122;
/* rgb */ color: rgb(66, 129, 34);
/* oklch */ color: oklch(54.1% 0.143 137.2);

Tailwind

colors: {
  custom: {
    50: '#7da663',
    500: '#428122',
    950: '#000000',
  },
}

SCSS

$custom: #428122;
$custom-light: #7da663;
$custom-dark: #000000;

JSON

{
  "hex": "#428122",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 34
  },
  "hsl": {
    "h": 99.789,
    "s": 58.282,
    "l": 31.961
  },
  "oklch": {
    "l": 0.54106,
    "c": 0.14289,
    "h": 137.2
  },
  "luminance": 0.16974
}

Semantic roles & 50–950 ramp

primary

#428122

secondary

#904BB3

accent

#46E1AD

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F06

muted

#7C7F7A

Preview Lab

Preview with #428122

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

Preview Lab → · Contrast checker → · Palette generator →