#428B14#428B14

#428B14 is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 56.7% C 0.163 H 136.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#428B14
RGB	rgb(66, 139, 20)
HSL	hsl(97, 75%, 31%)
HSV	hsv(97, 86%, 55%)
CMYK	cmyk(52.5%, 0%, 85.6%, 45.5%)
CIE-LAB	lab(51.47, -42.75, 50.69)
CIE-LCH	lch(51.47, 66.31, 130.14°)
OKLab	oklab(56.75% -0.1189 0.1113)
OKLCH	oklch(56.75% 0.163 136.9)
XYZ	xyz(11.6053, 19.6731, 3.8474)
Luminance	0.1967 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B14 #5D148B

analogous

#7D8B14 #428B14 #148B21

triadic

#428B14 #14428B #8B1442

tetradic

#428B14 #147D8B #5D148B #8B2114

square

#428B14 #147D8B #5D148B #8B2114

split-complementary

#428B14 #21148B #8B147D

monochromatic

#0F2005 #29550C #428B14 #5BC11C #79E237

Accessibility & contrast

On white

4.26

#428B14 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#428B14 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B14

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B14	#FFFFFF	#000000	##000000
##428B14	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907E00

Deuteranopia (green-blind)

#877823

Tritanopia (blue-blind)

#3D8676

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b14;
/* rgb */ color: rgb(66, 139, 20);
/* oklch */ color: oklch(56.7% 0.163 136.9);

Tailwind

colors: {
  custom: {
    50: '#7fad5f',
    500: '#428b14',
    950: '#000000',
  },
}

SCSS

$custom: #428b14;
$custom-light: #7fad5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428b14",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 20
  },
  "hsl": {
    "h": 96.807,
    "s": 74.843,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56746,
    "c": 0.16289,
    "h": 136.9
  },
  "luminance": 0.19674
}

Semantic roles & 50–950 ramp

primary

#428B14

secondary

#8C3CBF

accent

#36F1A9

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428B14

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

Preview Lab → · Contrast checker → · Palette generator →