#428013#428013

#428013 is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 53.7% C 0.150 H 135.6°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#428013
RGB	rgb(66, 128, 19)
HSL	hsl(94, 74%, 29%)
HSV	hsv(94, 85%, 50%)
CMYK	cmyk(48.4%, 0%, 85.2%, 49.8%)
CIE-LAB	lab(47.81, -38.33, 47.67)
CIE-LCH	lch(47.81, 61.17, 128.80°)
OKLab	oklab(53.73% -0.1072 0.1048)
OKLCH	oklch(53.73% 0.15 135.6)
XYZ	xyz(10.0832, 16.6430, 3.2971)
Luminance	0.1664 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428013 #511380

analogous

#798013 #428013 #13801A

triadic

#428013 #134280 #801342

tetradic

#428013 #137980 #511380 #801A13

square

#428013 #137980 #511380 #801A13

split-complementary

#428013 #1A1380 #801379

monochromatic

#0E1B04 #274B0B #428013 #5DB51B #7AE02D

Accessibility & contrast

On white

4.85

#428013 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#428013 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428013

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428013	#FFFFFF	#000000	##FFFFFF
##428013	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#7D7021

Tritanopia (blue-blind)

#407B6D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #428013;
/* rgb */ color: rgb(66, 128, 19);
/* oklch */ color: oklch(53.7% 0.150 135.6);

Tailwind

colors: {
  custom: {
    50: '#7da55c',
    500: '#428013',
    950: '#000000',
  },
}

SCSS

$custom: #428013;
$custom-light: #7da55c;
$custom-dark: #000000;

JSON

{
  "hex": "#428013",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 19
  },
  "hsl": {
    "h": 94.128,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.53733,
    "c": 0.14989,
    "h": 135.6
  },
  "luminance": 0.16644
}

Semantic roles & 50–950 ramp

primary

#428013

secondary

#8039B5

accent

#37F1A1

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #428013

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

Preview Lab → · Contrast checker → · Palette generator →