#3F8317#3F8317

#3F8317 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 54.4% C 0.153 H 137.0°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F8317
RGB	rgb(63, 131, 23)
HSL	hsl(98, 70%, 30%)
HSV	hsv(98, 82%, 51%)
CMYK	cmyk(51.9%, 0%, 82.4%, 48.6%)
CIE-LAB	lab(48.70, -40.34, 47.27)
CIE-LCH	lch(48.70, 62.14, 130.48°)
OKLab	oklab(54.44% -0.1121 0.1046)
OKLCH	oklch(54.44% 0.153 137)
XYZ	xyz(10.3205, 17.3505, 3.6156)
Luminance	0.1735 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8317 #5B1783

analogous

#758317 #3F8317 #178325

triadic

#3F8317 #173F83 #83173F

tetradic

#3F8317 #177583 #5B1783 #832517

square

#3F8317 #177583 #5B1783 #832517

split-complementary

#3F8317 #251783 #831775

monochromatic

#0D1B05 #264F0E #3F8317 #58B720 #75DC38

Accessibility & contrast

On white

4.70

#3F8317 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3F8317 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F8317

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8317	#FFFFFF	#000000	##FFFFFF
##3F8317	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887700

Deuteranopia (green-blind)

#7F7224

Tritanopia (blue-blind)

#3B7E6F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f8317;
/* rgb */ color: rgb(63, 131, 23);
/* oklch */ color: oklch(54.4% 0.153 137.0);

Tailwind

colors: {
  custom: {
    50: '#7ca85e',
    500: '#3f8317',
    950: '#000000',
  },
}

SCSS

$custom: #3f8317;
$custom-light: #7ca85e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8317",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 23
  },
  "hsl": {
    "h": 97.778,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.54438,
    "c": 0.15332,
    "h": 137
  },
  "luminance": 0.17351
}

Semantic roles & 50–950 ramp

primary

#3F8317

secondary

#8B3FB7

accent

#3BEDAB

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F8317

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

Preview Lab → · Contrast checker → · Palette generator →