#3F8819#3F8819

#3F8819 is a mid, vivid yellow-green. Relative luminance 0.187; OKLCH L 55.8% C 0.159 H 137.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F8819
RGB	rgb(63, 136, 25)
HSL	hsl(99, 69%, 32%)
HSV	hsv(99, 82%, 53%)
CMYK	cmyk(53.7%, 0%, 81.6%, 46.7%)
CIE-LAB	lab(50.38, -42.22, 48.21)
CIE-LCH	lch(50.38, 64.08, 131.21°)
OKLab	oklab(55.82% -0.117 0.1069)
OKLCH	oklch(55.82% 0.159 137.6)
XYZ	xyz(11.0292, 18.7344, 3.9544)
Luminance	0.1873 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8819 #621988

analogous

#778819 #3F8819 #19882A

triadic

#3F8819 #193F88 #88193F

tetradic

#3F8819 #197788 #621988 #882A19

square

#3F8819 #197788 #621988 #882A19

split-complementary

#3F8819 #2A1988 #881977

monochromatic

#0F2106 #27540F #3F8819 #57BC23 #75DC40

Accessibility & contrast

On white

4.42

#3F8819 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3F8819 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8819

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8819	#FFFFFF	#000000	##000000
##3F8819	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C00

Deuteranopia (green-blind)

#837626

Tritanopia (blue-blind)

#3A8374

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f8819;
/* rgb */ color: rgb(63, 136, 25);
/* oklch */ color: oklch(55.8% 0.159 137.6);

Tailwind

colors: {
  custom: {
    50: '#7cab60',
    500: '#3f8819',
    950: '#000000',
  },
}

SCSS

$custom: #3f8819;
$custom-light: #7cab60;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8819",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 25
  },
  "hsl": {
    "h": 99.459,
    "s": 68.944,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55822,
    "c": 0.15851,
    "h": 137.6
  },
  "luminance": 0.18735
}

Semantic roles & 50–950 ramp

primary

#3F8819

secondary

#9241BB

accent

#3CECB0

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8819

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

Preview Lab → · Contrast checker → · Palette generator →