#3F651B#3F651B

#3F651B is a mid, moderate yellow-green. Relative luminance 0.104; OKLCH L 46.2% C 0.111 H 132.8°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F651B
RGB	rgb(63, 101, 27)
HSL	hsl(91, 58%, 25%)
HSV	hsv(91, 73%, 40%)
CMYK	cmyk(37.6%, 0%, 73.3%, 60.4%)
CIE-LAB	lab(38.63, -26.86, 35.94)
CIE-LCH	lch(38.63, 44.87, 126.78°)
OKLab	oklab(46.19% -0.0754 0.0815)
OKLCH	oklch(46.19% 0.111 132.8)
XYZ	xyz(6.9013, 10.4430, 2.6888)
Luminance	0.1044 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F651B #411B65

analogous

#64651B #3F651B #1B651C

triadic

#3F651B #1B3F65 #651B3F

tetradic

#3F651B #1B6465 #411B65 #651C1B

square

#3F651B #1B6465 #411B65 #651C1B

split-complementary

#3F651B #1C1B65 #651B64

monochromatic

#0F1806 #21350E #3F651B #5D9528 #7BC635

Accessibility & contrast

On white

6.80

#3F651B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3F651B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F651B

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F651B	#FFFFFF	#000000	##FFFFFF
##3F651B	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D10

Deuteranopia (green-blind)

#645A22

Tritanopia (blue-blind)

#3F6156

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3f651b;
/* rgb */ color: rgb(63, 101, 27);
/* oklch */ color: oklch(46.2% 0.111 132.8);

Tailwind

colors: {
  custom: {
    50: '#77915c',
    500: '#3f651b',
    950: '#000000',
  },
}

SCSS

$custom: #3f651b;
$custom-light: #77915c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f651b",
  "rgb": {
    "r": 63,
    "g": 101,
    "b": 27
  },
  "hsl": {
    "h": 90.811,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.46186,
    "c": 0.11108,
    "h": 132.8
  },
  "luminance": 0.10443
}

Semantic roles & 50–950 ramp

primary

#3F651B

secondary

#6F419A

accent

#47E196

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #3F651B

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

Preview Lab → · Contrast checker → · Palette generator →