#3F8518#3F8518

#3F8518 is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.0% C 0.155 H 137.3°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F8518
RGB	rgb(63, 133, 24)
HSL	hsl(99, 69%, 31%)
HSV	hsv(99, 82%, 52%)
CMYK	cmyk(52.6%, 0%, 82%, 47.8%)
CIE-LAB	lab(49.37, -41.08, 47.58)
CIE-LCH	lch(49.37, 62.86, 130.81°)
OKLab	oklab(54.99% -0.1141 0.1054)
OKLCH	oklch(54.99% 0.155 137.3)
XYZ	xyz(10.6020, 17.8970, 3.7598)
Luminance	0.1790 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8518 #5E1885

analogous

#758518 #3F8518 #188527

triadic

#3F8518 #183F85 #85183F

tetradic

#3F8518 #187585 #5E1885 #852718

square

#3F8518 #187585 #5E1885 #852718

split-complementary

#3F8518 #271885 #851875

monochromatic

#0E1D05 #26510F #3F8518 #58B921 #75DC3C

Accessibility & contrast

On white

4.59

#3F8518 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3F8518 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F8518

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8518	#FFFFFF	#000000	##FFFFFF
##3F8518	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7900

Deuteranopia (green-blind)

#817325

Tritanopia (blue-blind)

#3A8071

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f8518;
/* rgb */ color: rgb(63, 133, 24);
/* oklch */ color: oklch(55.0% 0.155 137.3);

Tailwind

colors: {
  custom: {
    50: '#7ca95f',
    500: '#3f8518',
    950: '#000000',
  },
}

SCSS

$custom: #3f8518;
$custom-light: #7ca95f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8518",
  "rgb": {
    "r": 63,
    "g": 133,
    "b": 24
  },
  "hsl": {
    "h": 98.532,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.54993,
    "c": 0.15531,
    "h": 137.3
  },
  "luminance": 0.17898
}

Semantic roles & 50–950 ramp

primary

#3F8518

secondary

#8E40B9

accent

#3CECAD

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8518

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

Preview Lab → · Contrast checker → · Palette generator →