#3F8818#3F8818

#3F8818 is a mid, vivid yellow-green. Relative luminance 0.187; OKLCH L 55.8% C 0.159 H 137.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F8818
RGB	rgb(63, 136, 24)
HSL	hsl(99, 70%, 31%)
HSV	hsv(99, 82%, 53%)
CMYK	cmyk(53.7%, 0%, 82.4%, 46.7%)
CIE-LAB	lab(50.37, -42.28, 48.51)
CIE-LCH	lch(50.37, 64.35, 131.07°)
OKLab	oklab(55.82% -0.1173 0.1074)
OKLCH	oklch(55.82% 0.159 137.5)
XYZ	xyz(11.0186, 18.7302, 3.8986)
Luminance	0.1873 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8818 #611888

analogous

#778818 #3F8818 #188829

triadic

#3F8818 #183F88 #88183F

tetradic

#3F8818 #187788 #611888 #882918

square

#3F8818 #187788 #611888 #882918

split-complementary

#3F8818 #291888 #881877

monochromatic

#0F2006 #27540F #3F8818 #57BC21 #75DD3E

Accessibility & contrast

On white

4.42

#3F8818 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3F8818 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8818

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8818	#FFFFFF	#000000	##000000
##3F8818	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)

#837625

Tritanopia (blue-blind)

#3A8374

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f8818;
/* rgb */ color: rgb(63, 136, 24);
/* oklch */ color: oklch(55.8% 0.159 137.5);

Tailwind

colors: {
  custom: {
    50: '#7cab60',
    500: '#3f8818',
    950: '#000000',
  },
}

SCSS

$custom: #3f8818;
$custom-light: #7cab60;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8818",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 24
  },
  "hsl": {
    "h": 99.107,
    "s": 70,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55816,
    "c": 0.15898,
    "h": 137.5
  },
  "luminance": 0.18731
}

Semantic roles & 50–950 ramp

primary

#3F8818

secondary

#9140BC

accent

#3BEDAF

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8818

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

Preview Lab → · Contrast checker → · Palette generator →