#3F8D17#3F8D17

#3F8D17 is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.2% C 0.165 H 137.9°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F8D17
RGB	rgb(63, 141, 23)
HSL	hsl(100, 72%, 32%)
HSV	hsv(100, 84%, 55%)
CMYK	cmyk(55.3%, 0%, 83.7%, 44.7%)
CIE-LAB	lab(52.03, -44.29, 50.33)
CIE-LCH	lch(52.03, 67.04, 131.34°)
OKLab	oklab(57.18% -0.1227 0.111)
OKLCH	oklch(57.18% 0.165 137.9)
XYZ	xyz(11.7290, 20.1674, 4.0851)
Luminance	0.2017 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8D17 #65178D

analogous

#7A8D17 #3F8D17 #178D2A

triadic

#3F8D17 #173F8D #8D173F

tetradic

#3F8D17 #177A8D #65178D #8D2A17

square

#3F8D17 #177A8D #65178D #8D2A17

split-complementary

#3F8D17 #2A178D #8D177A

monochromatic

#102406 #27580E #3F8D17 #57C220 #75E03F

Accessibility & contrast

On white

4.17

#3F8D17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3F8D17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8D17

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8D17	#FFFFFF	#000000	##000000
##3F8D17	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#887A26

Tritanopia (blue-blind)

#398878

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f8d17;
/* rgb */ color: rgb(63, 141, 23);
/* oklch */ color: oklch(57.2% 0.165 137.9);

Tailwind

colors: {
  custom: {
    50: '#7daf60',
    500: '#3f8d17',
    950: '#000000',
  },
}

SCSS

$custom: #3f8d17;
$custom-light: #7daf60;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8d17",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 23
  },
  "hsl": {
    "h": 99.661,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5718,
    "c": 0.16548,
    "h": 137.9
  },
  "luminance": 0.20168
}

Semantic roles & 50–950 ramp

primary

#3F8D17

secondary

#9540C0

accent

#39EFB1

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #3F8D17

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

Preview Lab → · Contrast checker → · Palette generator →