#428D16#428D16

#428D16 is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.3% C 0.164 H 137.2°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#428D16
RGB	rgb(66, 141, 22)
HSL	hsl(98, 73%, 32%)
HSV	hsv(98, 84%, 55%)
CMYK	cmyk(53.2%, 0%, 84.4%, 44.7%)
CIE-LAB	lab(52.14, -43.44, 50.75)
CIE-LCH	lch(52.14, 66.81, 130.56°)
OKLab	oklab(57.3% -0.1207 0.1117)
OKLCH	oklch(57.3% 0.164 137.2)
XYZ	xyz(11.9161, 20.2650, 4.0425)
Luminance	0.2027 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D16 #61168D

analogous

#7E8D16 #428D16 #168D26

triadic

#428D16 #16428D #8D1642

tetradic

#428D16 #167E8D #61168D #8D2616

square

#428D16 #167E8D #61168D #8D2616

split-complementary

#428D16 #26168D #8D167E

monochromatic

#102305 #29580E #428D16 #5BC21E #79E13D

Accessibility & contrast

On white

4.16

#428D16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#428D16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D16

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D16	#FFFFFF	#000000	##000000
##428D16	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)

#887A25

Tritanopia (blue-blind)

#3D8878

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428d16;
/* rgb */ color: rgb(66, 141, 22);
/* oklch */ color: oklch(57.3% 0.164 137.2);

Tailwind

colors: {
  custom: {
    50: '#7faf60',
    500: '#428d16',
    950: '#000000',
  },
}

SCSS

$custom: #428d16;
$custom-light: #7faf60;
$custom-dark: #000000;

JSON

{
  "hex": "#428d16",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 22
  },
  "hsl": {
    "h": 97.815,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57301,
    "c": 0.16446,
    "h": 137.2
  },
  "luminance": 0.20266
}

Semantic roles & 50–950 ramp

primary

#428D16

secondary

#903EC1

accent

#38F0AC

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428D16

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

Preview Lab → · Contrast checker → · Palette generator →