#428A16#428A16

#428A16 is a mid, vivid yellow-green. Relative luminance 0.194; OKLCH L 56.5% C 0.161 H 136.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#428A16
RGB	rgb(66, 138, 22)
HSL	hsl(97, 73%, 31%)
HSV	hsv(97, 84%, 54%)
CMYK	cmyk(52.2%, 0%, 84.1%, 45.9%)
CIE-LAB	lab(51.14, -42.26, 49.85)
CIE-LCH	lch(51.14, 65.35, 130.28°)
OKLab	oklab(56.48% -0.1175 0.1098)
OKLCH	oklch(56.48% 0.161 136.9)
XYZ	xyz(11.4797, 19.3923, 3.8971)
Luminance	0.1939 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428A16 #5E168A

analogous

#7C8A16 #428A16 #168A24

triadic

#428A16 #16428A #8A1642

tetradic

#428A16 #167C8A #5E168A #8A2416

square

#428A16 #167C8A #5E168A #8A2416

split-complementary

#428A16 #24168A #8A167C

monochromatic

#102005 #29550E #428A16 #5BBF1E #79E03B

Accessibility & contrast

On white

4.30

#428A16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#428A16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428A16

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428A16	#FFFFFF	#000000	##000000
##428A16	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#867824

Tritanopia (blue-blind)

#3E8575

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428a16;
/* rgb */ color: rgb(66, 138, 22);
/* oklch */ color: oklch(56.5% 0.161 136.9);

Tailwind

colors: {
  custom: {
    50: '#7ead5f',
    500: '#428a16',
    950: '#000000',
  },
}

SCSS

$custom: #428a16;
$custom-light: #7ead5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428a16",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 22
  },
  "hsl": {
    "h": 97.241,
    "s": 72.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56483,
    "c": 0.16085,
    "h": 136.9
  },
  "luminance": 0.19393
}

Semantic roles & 50–950 ramp

primary

#428A16

secondary

#8D3EBE

accent

#39EFAA

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428A16

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

Preview Lab → · Contrast checker → · Palette generator →