#428D14#428D14

#428D14 is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.3% C 0.165 H 137.1°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#428D14
RGB	rgb(66, 141, 20)
HSL	hsl(97, 75%, 32%)
HSV	hsv(97, 86%, 55%)
CMYK	cmyk(53.2%, 0%, 85.8%, 44.7%)
CIE-LAB	lab(52.13, -43.54, 51.28)
CIE-LCH	lch(52.13, 67.27, 130.33°)
OKLab	oklab(57.29% -0.121 0.1125)
OKLCH	oklch(57.29% 0.165 137.1)
XYZ	xyz(11.8975, 20.2576, 3.9449)
Luminance	0.2026 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D14 #5F148D

analogous

#7F8D14 #428D14 #148D23

triadic

#428D14 #14428D #8D1442

tetradic

#428D14 #147F8D #5F148D #8D2314

square

#428D14 #147F8D #5F148D #8D2314

split-complementary

#428D14 #23148D #8D147F

monochromatic

#102205 #29570C #428D14 #5BC31C #79E339

Accessibility & contrast

On white

4.16

#428D14 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#428D14 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D14

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D14	#FFFFFF	#000000	##000000
##428D14	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#887A24

Tritanopia (blue-blind)

#3D8878

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428d14;
/* rgb */ color: rgb(66, 141, 20);
/* oklch */ color: oklch(57.3% 0.165 137.1);

Tailwind

colors: {
  custom: {
    50: '#7faf5f',
    500: '#428d14',
    950: '#000000',
  },
}

SCSS

$custom: #428d14;
$custom-light: #7faf5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428d14",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 20
  },
  "hsl": {
    "h": 97.19,
    "s": 75.155,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57291,
    "c": 0.16528,
    "h": 137.1
  },
  "luminance": 0.20259
}

Semantic roles & 50–950 ramp

primary

#428D14

secondary

#8E3CC1

accent

#36F2AA

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428D14

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

Preview Lab → · Contrast checker → · Palette generator →