#3F8517#3F8517

#3F8517 is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.0% C 0.156 H 137.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F8517
RGB	rgb(63, 133, 23)
HSL	hsl(98, 71%, 31%)
HSV	hsv(98, 83%, 52%)
CMYK	cmyk(52.6%, 0%, 82.7%, 47.8%)
CIE-LAB	lab(49.37, -41.14, 47.88)
CIE-LCH	lch(49.37, 63.13, 130.67°)
OKLab	oklab(54.99% -0.1143 0.1059)
OKLCH	oklch(54.99% 0.156 137.2)
XYZ	xyz(10.5917, 17.8929, 3.7060)
Luminance	0.1789 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8517 #5D1785

analogous

#768517 #3F8517 #178526

triadic

#3F8517 #173F85 #85173F

tetradic

#3F8517 #177685 #5D1785 #852617

square

#3F8517 #177685 #5D1785 #852617

split-complementary

#3F8517 #261785 #851776

monochromatic

#0E1D05 #26510E #3F8517 #58B920 #75DD3A

Accessibility & contrast

On white

4.59

#3F8517 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3F8517 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F8517

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8517	#FFFFFF	#000000	##FFFFFF
##3F8517	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)

#817324

Tritanopia (blue-blind)

#3A8071

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f8517;
/* rgb */ color: rgb(63, 133, 23);
/* oklch */ color: oklch(55.0% 0.156 137.2);

Tailwind

colors: {
  custom: {
    50: '#7ca95f',
    500: '#3f8517',
    950: '#000000',
  },
}

SCSS

$custom: #3f8517;
$custom-light: #7ca95f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8517",
  "rgb": {
    "r": 63,
    "g": 133,
    "b": 23
  },
  "hsl": {
    "h": 98.182,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.54987,
    "c": 0.15579,
    "h": 137.2
  },
  "luminance": 0.17894
}

Semantic roles & 50–950 ramp

primary

#3F8517

secondary

#8D3FB9

accent

#3BEDAC

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8517

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

Preview Lab → · Contrast checker → · Palette generator →